Abiellinae F1860 @ @ @ @ @
Abyssochitonidae F0947 Abyssochitonidae Dell'Angelo & Palazzi, 1989 Dell'Angelo & Palazzi, 1989 @ @ @
Abyssochrysidae F0001 Abyssochrysidae Tomlin, 1927  Tomlin, 1927  @ @ @
Acanthoceratidae F2159 @ @ @ @ @
Acanthochitidae F0948 Acanthochitidae Pilsbry, 1893 Pilsbry, 1893 @ @ @
Acanthochitonidae F0002 Acanthochitonidae Pilsbry, 1893  Pilsbry, 1893  @ @ @
Acanthoclymeniidae F2426 @ @ @ @ @
Acanthomeniidae F0541 Acanthomeniidae Salvini-Plawen, 1978  Salvini-Plawen, 1978  @ @ @
Acanthonematidae F1124 Acanthonematidae Wenz, 1938 Wenz, 1938 @ @ @
Acanthopleuridae F0949 Acanthopleuridae Dall, 1889 Dall, 1889 @ @ @
Acaroceratidae F2048 @ @ @ @ @
Acavidae F0673 Acavidae Pilsbry, 1895  Pilsbry, 1895  @ @ @
Acharacidae F1084 Acharacidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Achatinellidae F0003 Achatinellidae Gulick, 1873  Gulick, 1873  @ @ @
Achatinidae F0665 Achatinidae Swainson, 1840  Swainson, 1840  @ @ @
Aciculidae F0564 Aciculidae Gray, 1850  Gray, 1850  @ @ @
Acleistoceratidae F2512 @ @ @ @ @
Aclididae F0004 Aclididae G.O. Sars, 1878  G.O. Sars, 1878  @ @ @
Acmaeidae F0005 Acmaeidae Forbes, 1850  Forbes, 1850  @ @ @
Acmeidae F1327 Acmeidae Pollonera, 1905 Pollonera, 1905 Aciculidae F0564
Acochlidiidae F0597 Acochlidiidae Küthe, 1935 Küthe, 1935 @ @ @
Acostaeidae F1061 Acostaeidae Morrison, 1973 Morrison, 1973 @ @ @
Acrioceratidae F2178 @ @ @ @ @
Acrocanitidae F2316 @ @ @ @ @
Acrochordiceratidae F2306 @ @ @ @ @
Acroloxidae F0643 Acroloxidae Thiele, 1931  Thiele, 1931  @ @ @
Acroreiidae F1125 Acroreiidae Cossmann, 1893 Cossmann, 1893 @ @ @
Actaeonidae F1328 Actaeonidae Allman, 1845 Allman, 1845 Plakobranchidae F0234
Acteocinidae F0326 Acteocinidae Dall, 1913  Dall, 1913  @ @ @
Acteonellidae F1126 Acteonellidae Gill, 1871 Gill, 1871 @ @ @
Acteonidae F0006 Acteonidae d'Orbigny, 1843  d'Orbigny, 1843  @ @ @
Acteoninidae F1127 Acteoninidae Cossmann, 1895 Cossmann, 1895 @ @ @
Actinoceratidae F2084 @ @ @ @ @
Actinocyclidae F0007 Actinocyclidae O'Donoghue, 1929  O'Donoghue, 1929  @ @ @
Actinodontidae F0754 Actinodontidae Davies, 1933 Davies, 1933 @ @ @
Actinodontophoridae F1877 @ @ @ @ @
Actinosepiidae F2036 @ @ @ @ @
Acusidae F1329 Acusidae Gray, 1853 Gray, 1853 Terebridae F0284
Acutichitonidae F2523 @ @ @ @ @
Addisoniidae F0554 Addisoniidae Dall, 1882  Dall, 1882  @ @ @
Adeorbidae F1330 Adeorbidae Monterosato, 1884 Monterosato, 1884 Tornidae F0294
Adeorbiidae F1824 @ @ @ @ @
Admetidae F1826 @ @ @ @ @
Adranidae F1085 Adranidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Adrianitidae F2376 @ @ @ @ @
Adygeitidae F2290 @ @ @ @ @
Aegiretidae F0008 Aegiridae P. Fischer, 1883  P. Fischer, 1883  Aegiridae F1128
Aegiridae F1128 Aegiridae P. Fischer, 1883 P. Fischer, 1883 @ @ @
Aegocrioceratidae F2433 @ @ @ @ @
Aenigmoconchidae F0737 Aenigmoconchidae Betekhtina, 1968 Betekhtina, 1968 @ @ @
Aeolidiidae F0009 Aeolidiidae Gray, 1827  Gray, 1827  @ @ @
Afghanodesmatidae F1082 Afghanodesmatidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Agathiceratidae F2354 @ @ @ @ @
Aglajidae F0011 Aglajidae Pilsbry, 1895 (1847)  Pilsbry, 1895 (1847)  @ @ @
Agoniatitidae F2406 @ @ @ @ @
Agriolimacidae F0701 Agriolimacidae H. Wagner, 1935 H. Wagner, 1935 @ @ @
Aillyidae F1129 Aillyidae H.B. Baker, 1955 H.B. Baker, 1955 @ @ @
Aipoceratidae F2472 @ @ @ @ @
Aitengidae F1130 Aitengidae Swennen & Buatip, 2009 Swennen & Buatip, 2009 @ @ @
Akeridae F0012 Akeridae Mazzarelli, 1891  Mazzarelli, 1891  @ @ @
Akiodorididae F1131 Akiodorididae Millen & Martynov, 2005 Millen & Martynov, 2005 @ @ @
Aktubonautilidae F2457 @ @ @ @ @
Alacuppidae F1132 Alacuppidae Oskars, Bouchet & Malaquias, 2015 Oskars, Bouchet & Malaquias, 2015 @ @ @
Alastegiidae F2534 @ @ @ @ @
Alatoconchidae F0749 Alatoconchidae Termier, Termier & Lapparent, 1974 Termier, Termier & Lapparent, 1974 @ @ @
Albanitidae F2237 @ @ @ @ @
Aldanellidae F1833 @ @ @ @ @
Alderiidae F1331 Alderiidae Pruvot-Fol, 1954 Pruvot-Fol, 1954 Limapontiidae F1234
Aldisidae F0615 Aldisidae Odhner, 1939 Odhner, 1939 Cadlinidae F0039
Aleteceratidae F2405 @ @ @ @ @
Algeritidae F1666 @ @ Anisoceratidae @
Allodesmatidae F1873 @ @ @ @ @
Alloposidae F0519 Alloposidae Verrill, 1881  Verrill, 1881  @ @ @
Allotrioceratidae F2078 @ @ @ @ @
Allumettoceratidae F1974 @ @ @ @ @
Aloididae F1332 Aloididae Thiele, 1934 Thiele, 1934 Corbulidae F0072
Alycaeidae F1333 Alycaeidae Blanford, 1864 Blanford, 1864 Cyclophoridae F0079
Amaltheidae F1334 Amaltheidae Dall, 1889 Dall, 1889 Hipponicidae F0136
Amastridae F1133 Amastridae Pilsbry, 1910 Pilsbry, 1910 @ @ @
Amathinidae F0013 Amathinidae Ponder, 1987  Ponder, 1987  @ @ @
Amberleyidae F0437 Amberleyidae Wenz, 1938 Wenz, 1938 @ @ @
Amblemidae F1878 @ @ @ @ @
Ambonychidae F1846 @ @ @ @ @
Ambonychiidae F0348 Ambonychiidae S. A. Miller, 1877 S. A. Miller, 1877 @ @ @
Amnicolidae F1134 Amnicolidae Tryon, 1863 Tryon, 1863 @ @ @
Amnigeniidae F0750 Amnigeniidae Khalfin, 1948 Khalfin, 1948 @ @ @
Amotapidae F1869 @ @ @ @ @
Ampezzanildidae F1135 Ampezzanildidae Bandel, 1994 Bandel, 1994 @ @ @
Amphibolidae F0014 Amphibolidae Gray, 1840  Gray, 1840  @ @ @
Amphibulimidae F0659 Amphibulimidae P. Fischer, 1873  P. Fischer, 1873  @ @ @
Amphidesmatidae F1051 Amphidesmatidae Latreille, 1825 Latreille, 1825 @ @ @
Amphimelaniidae F1335 Amphimelaniidae P. Fischer & Crosse, 1891 P. Fischer & Crosse, 1891 Melanopsidae F0573
Amphimeniidae F0542 Amphimeniidae Salvini-Plawen, 1972  Salvini-Plawen, 1972  @ @ @
Amphiperatidae F1720 @ @ Ovulidae @
Amphisphyridae F1336 Amphisphyridae Gray, 1857 Gray, 1857 Diaphanidae F0091
Amphitomariidae F1136 Amphitomariidae Bandel, 1994 Bandel, 1994 @ @ @
Amphitretidae F0015 Amphitretidae Hoyle, 1886  Hoyle, 1886  @ @ @
Ampullaceridae F1337 Ampullaceridae Troschel, 1845 Troschel, 1845 Amphibolidae F0014
Ampullariidae F0562 Ampullariidae Gray, 1824 Gray, 1824 @ @ @
Ampullinidae F0766 Ampullinidae Cossmann, 1919 Cossmann, 1919 @ @ @
Ampullospiridae F1338 Ampullospiridae Cox, 1930 Cox, 1930 Ampullinidae F0766
Amusiidae F2540 @ @ @ @ @
Amussiidae F1732 @ @ Propeamussiidae @
Anabathridae F0016 Anabathridae Keen, 1971  Keen, 1971  @ @ @
Anabathronidae F1339 Anabathronidae Coan, 1964 Coan, 1964 Anabathridae F0016
Anachidae F1340 Anachidae Golikov & Starobogatov, 1972 Golikov & Starobogatov, 1972 Columbellidae F0069
Anadenidae F1137 Anadenidae Pilsbry, 1948 Pilsbry, 1948 @ @ @
Anadontellidae F0892 Anadontellidae Silantiev, 2011 Silantiev, 2011 @ @ @
Anadromidae F1138 Anadromidae Wenz, 1940 Wenz, 1940 @ @ @
Anaplocamidae F1341 Anaplocamidae Dall, 1921 Dall, 1921 Pleuroceridae F0576
Anarcestidae F2422 @ @ @ @ @
Anastomopsidae F1139 Anastomopsidae H. Nordsieck, 1986 H. Nordsieck, 1986 @ @ @
Anatinellidae F0017 Anatinellidae Deshayes, 1853  Deshayes, 1853  @ @ @
Anatinidae F1699 @ @ Laternulidae @
Anatomidae F1140 Anatomidae McLean, 1989 McLean, 1989 @ @ @
Ancillariidae F0865 Ancillariidae Swainson, 1840 Swainson, 1840 @ @ @
Ancistrobasidae F1828 @ @ @ @ @
Ancistrocheiridae F0520 Ancistrocheiridae Pfeffer, 1912  Pfeffer, 1912  @ @ @
Ancistrocheridae error Ancistrocheridae [sic] = Ancistrocheiridae @ @ @ @
Ancylidae F0646 Ancylidae Rafinesque, 1815  Rafinesque, 1815  Planorbidae F0236
Ancyloceratidae F2177 @ @ @ @ @
Ancylodorididae F1342 Ancylodorididae Thiele, 1926 Thiele, 1926 Onchidorididae F0204
Anderssonoceratidae F2221 @ @ @ @ @
Anetshellidae F1857 @ @ @ @ @
Angariidae F1141 Angariidae Gray, 1857 Gray, 1857 @ @ @
Anisoceratidae F2185 @ @ @ @ @
Anisocyclidae F1343 Anisocyclidae Van Aartsen, 1995 Van Aartsen, 1995 Pyramidellidae F0256
Anisomyonidae F1747 @ @ Siphonariidae @
Annulariidae F0563 Annulariidae Henderson & Bartsch, 1920 Henderson & Bartsch, 1920 @ @ @
Annuliconchidae F0815 Annuliconchidae Astafieva, 1995 Astafieva, 1995 @ @ @
Anodontopsidae F0755 Anodontopsidae S. A. Miller, 1889 S. A. Miller, 1889 @ @ @
Anomalosaepiidae F2517 @ @ @ @ @
Anomiidae F0018 Anomiidae Rafinesque, 1815 Rafinesque, 1815 @ @ @
Anomphalidae F0438 Anomphalidae Wenz, 1938 Wenz, 1938 @ @ @
Anopsiidae F1344 Anopsiidae Pruvot-Fol, 1922 Pruvot-Fol, 1922 Hydromylidae F0140
Anoptychiidae F1142 Anoptychiidae Bandel, 1994 Bandel, 1994 @ @ @
Anozygidae F0916 Anozygidae Bandel, 2002 Bandel, 2002 @ @ @
Ansolidae F1345 Ansolidae Slavoshevskaya, 1975 Slavoshevskaya, 1975 Barleeiidae F1151
Anthracoceratidae F2356 @ @ @ @ @
Anthracopupidae F0799 Anthracopupidae Wenz, 1938 Wenz, 1938 @ @ @
Anthracosiidae F0349 Anthracosiidae Amalitzky, 1892 Amalitzky, 1892 @ @ @
Antijaniridae F0816 Antijaniridae Hautmann, 2011 Hautmann, 2011 @ @ @
Antillocaprinidae F0768 Antillocaprinidae Mac Gillavry, 1937 Mac Gillavry, 1937 @ @ @
Antipleuridae F1859 @ @ @ @ @
Anuitidae F2379 @ @ @ @ @
Anulidentaliidae F0950 Anulidentaliidae Chistikov, 1975 Chistikov, 1975 @ @ @
Aperidae F1346 Aperidae Möllendorff, 1903 Möllendorff, 1903 Rhytididae F0676
Aplococeratidae F2308 @ @ @ @ @
Aplodontidae F1347 Aplodontidae Kuroda, 1933 Kuroda, 1933 Modulidae F0177
Aplustridae F0327 Aplustridae Gray, 1847  Gray, 1847  @ @ @
Aplysiidae F0019 Aplysiidae Lamarck, 1809 Lamarck, 1809 @ @ @
Apocrinoceratidae F2057 @ @ @ @ @
Aporrhaidae F0919 Aporrhaidae Gray, 1850 Gray, 1850 @ @ @
Aporrhaididae F1348 @ @ Aporrhaidae F0919
Aporrhaiidae F1349 @ @ Aporrhaidae F0919
Apsidoceratidae F2060 @ @ @ @ @
Aptyxiellidae F2577 @ @ @ @ @
Aqabarellidae F1350 Aqabarellidae Alhejoj, Bandel & Al-Najjar, 2016 (unaccepted) Alhejoj, Bandel & Al-Najjar, 2016 @ @ @
Aquillidae F1351 Aquillidae Pilsbry, 1904 Pilsbry, 1904 Ranellidae F0258
Araeonematidae F0929 Araeonematidae Nützel, 2012 Nützel, 2012 @ @ @
Aranucidae F1143 Aranucidae Odhner, 1936 Odhner, 1936 @ @ @
Araxoceratidae F2222 @ @ @ @ @
Arcestidae F2248 @ @ @ @ @
Archaeocardiidae F0738 Archaeocardiidae Khalfin, 1940 Khalfin, 1940 @ @ @
Archaeophialidae F1946 @ @ @ @ @
Archaeopragidae F1944 @ @ @ @ @
Archaeospiridae F1680 @ @ Coreospiridae @
Archaeozonitidae F1144 Archaeozonitidae Pfeffer, 1930 Pfeffer, 1930 @ @ @
Archanodontidae F2552 @ @ @ @ @
Archaracidae F1812 @ @ @ @ @
Archiacoceratidae F2506 @ @ @ @ @
Archidorididae F0617 Archidorididae Bergh, 1891  Bergh, 1891  Dorididae F0095
Archimediellidae F1352 Archimediellidae Starobogatov, 1982 Starobogatov, 1982 Turritellidae F0309
Archinacellidae F0439 Archinacellidae Knight, 1952 Knight, 1952 @ @ @
Architectomidae F1353 Architectomidae J.E. Gray in M. E. Gray, 1850 J.E. Gray in M. E. Gray, 1850 Architectonicidae F0020
Architectonicidae F0020 Architectonicidae Gray, 1850  Gray, 1850  @ @ @
Architeuthidae F0021 Architeuthidae Pfeffer, 1900 Pfeffer, 1900 @ @ @
Arcidae F0022 Arcidae Lamarck, 1809  Lamarck, 1809  @ @ @
Arcticidae F0350 Arcticidae Newton, 1891 (1844)  Newton, 1891 (1844)  @ @ @
Arctoceratidae F2238 @ @ @ @ @
Arctostreidae F0874 Arctostreidae Vialov, 1983 Vialov, 1983 @ @ @
Areneidae F0753 Areneidae McLean, 2012 McLean, 2012 @ @ @
Arenigomyidae F0883 Arenigomyidae Carter, 2011 Carter, 2011 @ @ @
Argnidae F1145 Argnidae Hudec, 1965 Hudec, 1965 @ @ @
Argonautidae F0023 Argonautidae Cantraine, 1841  Cantraine, 1841  @ @ @
Arietitidae F2124 @ @ @ @ @
Ariolimacidae F1146 Ariolimacidae Pilsbry & Vanatta, 1898 Pilsbry & Vanatta, 1898 @ @ @
Arionidae F1147 Arionidae Gray, 1840 Gray, 1840 @ @ @
Arionoceratidae F1981 @ @ @ @ @
Arionoidae error Arionoidae [sic] = Arionidae @ @ @ @
Ariophantidae F0691 Ariophantidae Godwin-Austen, 1888 Godwin-Austen, 1888 @ @ @
Armenoceratidae F2486 @ @ @ @ @
Arminidae F0024 Arminidae Iredale & O'Donoghue, 1923 (1841)  Iredale & O'Donoghue, 1923 (1841)  @ @ @
Arpaditidae F2277 @ @ @ @ @
Arthessidae F1354 Arthessidae C. R. Boettger, 1963 C. R. Boettger, 1963 Volvatellidae F0324
Asaphidae F1119 Asaphidae Winckworth, 1932 Winckworth, 1932 @ @ @
Ascobullidae F1355 Ascobullidae Habe, Okutani & Nishiwaki, 1994 Habe, Okutani & Nishiwaki, 1994 Volvatellidae F0324
Ascoceratidae F2066 @ @ @ @ @
Aspenitidae F2256 @ @ @ @ @
Aspergillidae F0993 Aspergillidae Burmeister, 1837 Burmeister, 1837 @ @ @
Asperspinidae F1148 Asperspinidae Rankin, 1979 Rankin, 1979 @ @ @
Aspidoceratidae F2174 @ @ @ @ @
Assimineidae F0025 Assimineidae H. Adams & A. Adams, 1856  H. Adams & A. Adams, 1856  @ @ @
Astartidae F0026 Astartidae d'Orbigny, 1844 (1840)  d'Orbigny, 1844 (1840)  @ @ @
Asteroceratidae F2128 @ @ @ @ @
Asterophilidae F0588 Asterophilidae Thiele, 1925 Thiele, 1925 Eulimidae F0105
Ataphridae F0440 Ataphridae Cossmann, 1915  Cossmann, 1915  @ @ @
Ataxioceratidae F2163 @ @ @ @ @
Ateleaspidae F1900 @ @ @ @ @
Athoracophoridae F0687 Athoracophoridae P. Fischer, 1883 (1860)  P. Fischer, 1883 (1860)  @ @ @
Atlantidae F0027 Atlantidae Rang, 1829  Rang, 1829  @ @ @
Atlantoceratidae F2407 @ @ @ @ @
Atomodesmatidae F0821 Atomodesmatidae Waterhouse, 1976 Waterhouse, 1976 @ @ @
Atthilidae F1356 Atthilidae Bergh, 1899 Bergh, 1899 Arminidae F0024
Aturiidae F2473 @ @ @ @ @
Atydidae F1357 Atydidae Thiele, 1925 Thiele, 1925 Haminoeidae F0130
Atyidae F1817 @ @ @ @ @
Auguritidae F2412 @ @ @ @ @
Aulacoceratidae F1990 @ @ @ @ @
Aulacogastrioceratidae F2383 @ @ @ @ @
Aulacomyellidae F0887 Aulacomyellidae Ichikawa, 1958 Ichikawa, 1958 @ @ @
Aulacostephanidae F2171 @ @ @ @ @
Aulochitonidae F2533 @ @ @ @ @
Aupouriidae F1701 @ @ Limopsidae @
Auriculidae F1358 Auriculidae Férussac, 1822 Férussac, 1822 Ellobiidae F0101
Auroraellidae F2580 @ @ @ @ @
Australiteuthidae F0951 Australiteuthidae Lu, 2005 Lu, 2005 @ @ @
Aviculidae F1015 Aviculidae Goldfuss, 1820 Goldfuss, 1820 @ @ @
Aviculopectinidae F0351 Aviculopectinidae Meek & Hayden, 1865 Meek & Hayden, 1865 @ @ @
Azecidae F1149 Azecidae Watson, 1920 Watson, 1920 @ @ @
Babainidae F1359 Babainidae Roller, 1972 Roller, 1972 Facelinidae F0106
Babakinidae F1360 Babakinidae Roller, 1973 Roller, 1973 Facelinidae F0106
Babinkidae F0352 Babinkidae Horný, 1960 Horný, 1960 @ @ @
Babyloniidae F1150 Babyloniidae Kuroda, Habe & Oyama, 1971 Kuroda, Habe & Oyama, 1971 @ @ @
Bactritidae F2070 @ @ @ @ @
Bactroptyxisidae F2571 @ @ @ @ @
Baculitidae F2186 @ @ @ @ @
Badiotitdae F2300 @ @ @ @ @
Badiotitidae F2311 @ @ @ @ @
Baidiostracidae F0756 Baidiostracidae Fang & Cope, 2008 Fang & Cope, 2008 @ @ @
Bajkaloceratidae F2056 @ @ @ @ @
Bakevellidae F1868 @ @ @ @ @
Bakevelliidae F0353 Bakevelliidae King, 1850 King, 1850 @ @ @
Balatonitidae F2314 @ @ @ @ @
Balkoceratidae F2044 @ @ @ @ @
Baltoceratidae F1982 @ @ @ @ @
Baltodentaliidae F1958 @ @ @ @ @
Barbatiidae F1668 @ @ Arcidae @
Barleeidae F0028 Barleeiidae Gray, 1857  Gray, 1857  @ @ @
Barleeiidae F1151 Barleeiidae Gray, 1857 Gray, 1857 @ @ @
Barrandeoceratidae F2493 @ @ @ @ @
Barrandoceratidae F2064 @ @ @ @ @
Baschkiritidae F2374 @ @ @ @ @
Bassleroceratidae F2040 @ @ @ @ @
Basterotiidae F1002 Basterotiidae Cossmann, 1909 Cossmann, 1909 @ @ @
Bathanaliidae F1361 Bathanaliidae Ancey, 1906 Ancey, 1906 Paludomidae F0781
Bathmoceratidae F2041 @ @ @ @ @
Bathothaumatidae F0952 Bathothaumatidae Grimpe, 1922 Grimpe, 1922 @ @ @
Bathyarcidae F1669 @ @ Arcidae @
Bathydorididae F0610 Bathydorididae Bergh, 1891 Bergh, 1891 @ @ @
Bathyhedylidae F1152 Bathyhedylidae Neusser, Jörger, Lodde-Bensch, Strong & Schrödl, 2016 Neusser, Jörger, Lodde-Bensch, Strong & Schrödl, 2016 @ @ @
Bathypeltidae F1362 Bathypeltidae Moskalev, 1971 Moskalev, 1971 Bathysciadiidae F0029
Bathyphytophilidae F0555 Bathyphytophilidae Moskalev, 1978  Moskalev, 1978  @ @ @
Bathysciadiidae F0029 Bathysciadiidae Dautzenberg & H. Fischer, 1900  Dautzenberg & H. Fischer, 1900  @ @ @
Bathyspinulidae F0999 Bathyspinulidae Coan & Valentich-Scott, 1997 Coan & Valentich-Scott, 1997 @ @ @
Bathyteuthidae F0030 Bathyteuthidae Pfeffer, 1900  Pfeffer, 1900  @ @ @
Batillariidae F0031 Batillariidae Thiele, 1929  Thiele, 1929  @ @ @
Batolitidae F1796 @ @ @ @ @
Batoteuthidae F0714 Batoteuthidae Young & Roper, 1968  Young & Roper, 1968  @ @ @
Bayleiidae F1795 @ @ @ @ @
Beichuaniidae F0835 Beichuaniidae Liu & Gu, 1988 Liu & Gu, 1988 @ @ @
Belemnitellidae F1999 @ @ @ @ @
Belemnitidae F1989 @ @ @ @ @
Belemnopseidae F1994 @ @ @ @ @
Belemnoseidae F2032 @ @ @ @ @
Belemnoteuthididae F1672 @ @ Belemnotheutidae @
Belemnotheutidae F1996 @ @ @ @ @
Belemnotheutididae F2002 @ @ @ @ @
Bellerophinidae F0896 Bellerophinidae Destombes, 1984 Destombes, 1984 @ @ @
Bellerophontidae F0441 Bellerophontidae McCoy, 1852 McCoy, 1852 @ @ @
Bellolividae F0866 Bellolividae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017 Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017 @ @ @
Beloceratidae F2424 @ @ @ @ @
Belomitridae F1153 Belomitridae Kantor, Puillandre, Rivasseau & Bouchet, 2012 Kantor, Puillandre, Rivasseau & Bouchet, 2012 @ @ @
Belopteriidae F2028 @ @ @ @ @
Belosaepiidae F2033 @ @ @ @ @
Belosepiellidae F2034 @ @ @ @ @
Belosepiidae F2035 @ @ @ @ @
Beloteuthidae F2496 @ @ @ @ @
Bembiciidae F1363 Bembiciidae Finlay, 1928 Finlay, 1928 Littorinidae F0161
Beneckeiidae F2253 @ @ @ @ @
Benthobiidae F0867 Benthobiidae Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017 Kantor, Fedosov, Puillandre, Bonillo & Bouchet, 2017 @ @ @
Berendinellidae F0928 Berendinellidae Guzhov, 2005 Guzhov, 2005 @ @ @
Berkhoceratidae F2355 @ @ @ @ @
Bernardinidae F0354 Bernardinidae Keen, 1969  Keen, 1969  Neoleptonidae F0406
Bertiniidae F1364 Bertiniidae Jousseaume, 1883 Jousseaume, 1883 Nacellidae F0184
Beyrichitidae F2303 @ @ @ @ @
Biloclymeniidae F2207 @ @ @ @ @
Binneyidae F1154 Binneyidae Cockerell, 1891 Cockerell, 1891 @ @ @
Binneyitidae F2119 @ @ @ @ @
Bipulvinidae F2583 @ @ @ @ @
Bisatoceratidae F2393 @ @ @ @ @
Bithyniidae F0565 Bithyniidae Gray, 1857  Gray, 1857  @ @ @
Bittiidae F1365 @ @ Cerithiidae F0052
Bochianitidae F2445 @ @ @ @ @
Boettgerillidae F0700 Boettgerillidae Wiktor & I. M. Likharev, 1979  Wiktor & I. M. Likharev, 1979  @ @ @
Bohaispiridae F0826 Bohaispiridae Youluo, 1978 Youluo, 1978 @ @ @
Bolaniidae F1366 Bolaniidae Wenz, 1915 Wenz, 1915 Craspedopomatidae F0794
Boletzkyidae F2068 @ @ @ @ @
Bolitaenidae F0032 Bolitaenidae Chun, 1911 Chun, 1911 @ @ @
Bolitaeniidae error Bolitaeniidae [sic] = Bolitaenidae  @ @ @ @
Bolmidae F1757 @ @ Turbinidae @
Bornellidae F0033 Bornellidae Bergh, 1874  Bergh, 1874  @ @ @
Borsoniidae F1155 Borsoniidae Bellardi, 1875 Bellardi, 1875 @ @ @
Boselliidae F1156 Boselliidae Ev. Marcus, 1982 Ev. Marcus, 1982 @ @ @
Bothriembryontidae F1157 Bothriembryontidae Iredale, 1937 Iredale, 1937 @ @ @
Bouchetispiridae F0790 Bouchetispiridae Kantor, Strong & Puillandre, 2012 Kantor, Strong & Puillandre, 2012 @ @ @
Brachioteuthidae F0034 Brachioteuthidae Pfeffer, 1908 Pfeffer, 1908 @ @ @
Brachycycloceratidae F2520 @ @ @ @ @
Brachytrematidae F0773 Brachytrematidae Cossmann, 1906 Cossmann, 1906 @ @ @
Bradybaenidae F0709 Bradybaenidae Pilsbry, 1934  Pilsbry, 1934  @ @ @
Brancoceratidae F2148 @ @ @ @ @
Bransoniidae F1852 @ @ @ @ @
Brechitinae F1367 Brechitinae Stoliczka, 1870 Stoliczka, 1870 Penicillidae F1023
Brevicoceratidae F2507 @ @ @ @ @
Brochidiidae F2555 @ @ @ @ @
Bryopinae F1368 Bryopinae Tryon, 1862 Tryon, 1862 Clavagellidae F0063
Bucanellidae F1896 @ @ @ @ @
Bucaniellidae F1889 @ @ @ @ @
Bucaniidae F1893 @ @ @ @ @
Buccinidae F0035 Buccinidae Rafinesque, 1815 Rafinesque, 1815 @ @ @
Buccinulidae F1369 Buccinulidae Finlay, 1928 Finlay, 1928 @ @ @
Buchiceratidae F1662 @ @ Acanthoceratidae @
Buchiidae F0355 Buchiidae Cox, 1953 Cox, 1953 @ @ @
Buchiolidae F0890 Buchiolidae Grimm, 1998 Grimm, 1998 @ @ @
Buchitidae F2276 @ @ @ @ @
Buchotrigoniidae F1053 Buchotrigoniidae Leanza, 1993 Leanza, 1993 @ @ @
Bulimidae F2566 @ @ @ @ @
Bulimorphidae F1370 Bulimorphidae S. A. Miller, 1889 S. A. Miller, 1889 Subulitidae F0510
Bulimulidae F1158 Bulimulidae Tryon, 1867 Tryon, 1867 @ @ @
Bulinidae F1159 Bulinidae P. Fischer & Crosse, 1880 P. Fischer & Crosse, 1880 @ @ @
Bullactidae F1371 Bullactidae Thiele, 1926 Thiele, 1926 Haminoeidae F0130
Bullaeidae F1372 Bullaeidae Rafinesque, 1815 Rafinesque, 1815 Philinidae F0223
Bullariidae F1373 Bullariidae Dall, 1908 Dall, 1908 Bullidae F0036
Bullidae F0036 Bullidae Gray, 1827  Gray, 1827  @ @ @
Bullinidae F0037 Bullinidae Gray, 1850  Gray, 1850  @ @ @
Burmesiidae F0356 Burmesiidae Healey, 1908 Healey, 1908 @ @ @
Bursidae F0038 Bursidae Thiele, 1925 Thiele, 1925 @ @ @
Busyconidae F0763 Busyconidae Wade, 1917 (1867) Wade, 1917 (1867) @ @ @
Byrrangoceratidae F2280 @ @ @ @ @
Bythinellidae F0936 Bythinellidae Locard, 1893 Locard, 1893 @ @ @
Cabrieroceratidae F2421 @ @ @ @ @
Cadlinidae F0039 Cadlinidae Bergh, 1891  Bergh, 1891  @ @ @
Cadoceratidae F1675 @ @ Cardioceratidae @
Cadomiidae F1814 @ @ @ @ @
Caecidae F0040 Caecidae Gray, 1850  Gray, 1850  @ @ @
Caledoniellidae F0580 Caledoniellidae Rosewater, 1969  Rosewater, 1969  Vanikoridae F0316
Caliphiliidae error Caliphiliidae [sic] = Caliphyllidae @ @ @ @
Caliphyllidae F0604 Caliphyllidae Tiberi, 1881 Tiberi, 1881 @ @ @
Calliodentaliidae F0041 Calliodentaliidae Chistikov, 1975 Chistikov, 1975 @ @ @
Calliostomatidae F1160 Calliostomatidae Thiele, 1924 (1847) Thiele, 1924 (1847) @ @ @
Calliotropidae F1161 Calliotropidae Hickman & McLean, 1990 Hickman & McLean, 1990 @ @ @
Calliphyllidae error Calliphyllidae [sic] = Caliphyllidae @ @ @ @
Callistoplacidae F0042 Callistoplacidae Pilsbry, 1893  Pilsbry, 1893  @ @ @
Callochitonidae F0442 Callochitonidae Plate, 1901 Plate, 1901 @ @ @
Calmidae F0636 Calmidae Iredale & O'Donoghue, 1923  Iredale & O'Donoghue, 1923  Fionidae F0111
Caloceratidae F1743 @ @ Psiloceratidae @
Calopiidae F0937 Calopiidae Ponder, 1999 Ponder, 1999 @ @ @
Caloriidae F1374 Caloriidae Odhner, 1968 Odhner, 1968 Facelinidae F0106
Calycidorididae F1162 Calycidorididae Roginskaya, 1972 Roginskaya, 1972 @ @ @
Calyptraeidae F0043 Calyptraeidae Lamarck, 1809  Lamarck, 1809  @ @ @
Camaenidae F0704 Camaenidae Pilsbry, 1895  Pilsbry, 1895  @ @ @
Cambridiidae F1842 @ @ @ @ @
Camerothecidae F1955 @ @ @ @ @
Campanilidae F0574 Campanilidae Douvillé, 1904  Douvillé, 1904  @ @ @
Camyidae F1033 Camyidae Hinz-Schallreuter, 2000 Hinz-Schallreuter, 2000 @ @ @
Canariellidae F1163 Canariellidae Schileyko, 1991 Schileyko, 1991 @ @ @
Cancellariidae F0044 Cancellariidae Forbes & Hanley, 1851  Forbes & Hanley, 1851  @ @ @
Canterburyellidae F1164 Canterburyellidae Bandel, Gründel & Maxwell, 2000 Bandel, Gründel & Maxwell, 2000 @ @ @
Caprinidae F0357 Caprinidae d'Orbigny, 1847 d'Orbigny, 1847 @ @ @
Caprinulidae F0897 Caprinulidae Yanin, 1990 Yanin, 1990 @ @ @
Caprinuloideidae F0769 Caprinuloideidae Damestoy, 1971 Damestoy, 1971 @ @ @
Caprotinidae F0358 Caprotinidae Gray, 1848 Gray, 1848 @ @ @
Capulidae F0045 Capulidae Fleming, 1822 Fleming, 1822 @ @ @
Carbactinoceratidae F2082 @ @ @ @ @
Carcassonnellidae F1941 @ @ @ @ @
Cardiidae F0046 Cardiidae Lamarck, 1809  Lamarck, 1809  @ @ @
Cardiliidae F0047 Cardiliidae P. Fischer, 1887  P. Fischer, 1887  @ @ @
Cardiniidae F0359 Cardiniidae Zittel, 1881 Zittel, 1881 @ @ @
Cardioceratidae F2132 @ @ @ @ @
Cardiolariidae F1881 @ @ @ @ @
Cardiolidae F0772 Cardiolidae R. Hoernes, 1884 R. Hoernes, 1884 @ @ @
Cardiomyidae F1091 Cardiomyidae Scarlato & Starobogatov, 1983 Scarlato & Starobogatov, 1983 @ @ @
Carditellidae F1679 @ @ Condylocardiidae @
Carditidae F0048 Carditidae Férussac, 1822  Férussac, 1822  @ @ @
Carinariidae F0049 Carinariidae Blainville, 1818  Blainville, 1818  @ @ @
Carinoclymeniidae F2192 @ @ @ @ @
Carinopeltidae F1835 @ @ @ @ @
Cariopsillidae F1375 Cariopsillidae Ortea & Espinosa, 2006 Ortea & Espinosa, 2006 Dendrodorididae F0086
Carnitidae F2257 @ @ @ @ @
Carychiidae F1376 Carychiidae Jeffreys, 1830 Jeffreys, 1830 Ellobiidae F0101
Carydiidae F1874 @ @ @ @ @
Caryodidae F0674 Caryodidae Connolly, 1915  Connolly, 1915  @ @ @
Cassianaxidae F1165 Cassianaxidae Bandel, 1996 Bandel, 1996 @ @ @
Cassianebalidae F1166 Cassianebalidae Bandel, 1996 Bandel, 1996 @ @ @
Cassianellidae F0360 Cassianellidae Ichikawa, 1958 Ichikawa, 1958 @ @ @
Cassidae F0050 Cassidae Latreille, 1825 Latreille, 1825 @ @ @
Cassididae F1822 @ @ @ @ @
Cassiopidae F0774 Cassiopidae Beurlen, 1967 Beurlen, 1967 @ @ @
Cataegidae F0911 Cataegidae McLean & Quinn, 1987 McLean & Quinn, 1987 @ @ @
Catamarcaiidae F0760 Catamarcaiidae Cope, 2000 Cope, 2000 @ @ @
Catantostomatidae F0443 Catantostomatidae Wenz, 1938 Wenz, 1938 @ @ @
Cavoliniidae F0051 Cavoliniidae Gray, 1850 (1815)  Gray, 1850 (1815)  @ @ @
Caymanabyssiidae F0824 Caymanabyssiidae B. A. Marshall, 1986 B. A. Marshall, 1986 @ @ @
Celtitidae F2312 @ @ @ @ @
Cenoceratidae F2475 @ @ @ @ @
Centroceratidae F2484 @ @ @ @ @
Cepolidae F1167 Cepolidae Ihering, 1909 Ihering, 1909 @ @ @
Cerastidae F1168 Cerastidae Wenz, 1923 Wenz, 1923 @ @ @
Ceratitidae F2313 @ @ @ @ @
Ceratoconidae F2537 @ @ @ @ @
Ceratomyidae F0361 Ceratomyidae Arkell, 1934 Arkell, 1934 @ @ @
Ceratomyopsidae F0362 Ceratomyopsidae Cox, 1964 Cox, 1964 @ @ @
Ceratopeidae F1744 @ @ Raphistomatidae @
Ceratosomatidae F1377 Ceratosomatidae Gray, 1857 Gray, 1857 Chromodorididae F0059
Cercomyidae F1867 @ @ @ @ @
Ceresidae F0558 Ceresidae Thiele, 1925  Thiele, 1925  Proserpinellidae F0814
Cerionidae F0661 Cerionidae Pilsbry, 1901  Pilsbry, 1901  @ @ @
Ceriphasiidae F1378 Ceriphasiidae Gill, 1863 Gill, 1863 Pleuroceridae F0576
Ceritellidae F1169 Ceritellidae Wenz, 1938 Wenz, 1938 @ @ @
Cerithidae F0775 @ @ @ @ @
Cerithideidae F1379 Cerithideidae Houbrick, 1988 Houbrick, 1988 Potamididae F0246
Cerithiidae F0052 Cerithiidae Fleming, 1822  Fleming, 1822  @ @ @
Cerithiodermatidae F1380 Cerithiodermatidae Hacobjan, 1976 Hacobjan, 1976 Capulidae F0045
Cerithiopsidae F0053 Cerithiopsidae H. Adams & A. Adams, 1853  H. Adams & A. Adams, 1853  @ @ @
Cetoconchidae F1075 Cetoconchidae Ridewood, 1903 Ridewood, 1903 @ @ @
Cetomyinae F1170 Cetomyinae Krylova, 1997 Krylova, 1997 @ @ @
Chaenidae F1021 Chaenidae Gray, 1858 Gray, 1858 @ @ @
Chaenocardiidae F0787 Chaenocardiidae S. A. Miller, 1889 S. A. Miller, 1889 @ @ @
Chaetodermatidae F0054 Chaetodermatidae Théel, 1875  Théel, 1875  @ @ @
Chaetopleuridae F0444 Chaetopleuridae Plate, 1899  Plate, 1899  @ @ @
Chametracheidae F1026 Chametracheidae H. Adams & A. Adams, 1857 H. Adams & A. Adams, 1857 @ @ @
Chamidae F0055 Chamidae Lamarck, 1809  Lamarck, 1809  @ @ @
Chamostreidae F1106 Chamostreidae Stoliczka, 1870 Stoliczka, 1870 @ @ @
Charcotiidae F0629 Charcotiidae Odhner, 1926 Odhner, 1926 @ @ @
Charoniidae F1381 Charoniidae Powell, 1933 Powell, 1933 Ranellidae F0258
Charopidae F0682 Charopidae Hutton, 1884  Hutton, 1884  @ @ @
Cheeneetnukiidae F0846 Cheeneetnukiidae Blodgett & Cook, 2002 Blodgett & Cook, 2002 @ @ @
Cheileidae F1382 Cheileidae Macpherson & Chapple, 1951 Macpherson & Chapple, 1951 Hipponicidae F0136
Cheiloceratidae F2317 @ @ @ @ @
Chelidonuridae F1383 Chelidonuridae Habe, 1961 Habe, 1961 Aglajidae F0011
Chelodidae F1706 @ @ Mattheviidae @
Chemnitziidae F1384 @ @ Pyramidellidae F0256
Chenopidae F1385 Chenopidae Deshayes, 1865 Deshayes, 1865 Aporrhaidae F0919
Chihlioceratidae F2075 @ @ @ @ @
Chilinidae F0641 Chilinidae Dall, 1870 Dall, 1870 @ @ @
Chilodontidae F1171 Chilodontidae Wenz, 1938 Wenz, 1938 @ @ @
Chionidae F1759 @ @ Veneridae @
Chiroteuthidae F0056 Chiroteuthidae Gray, 1849  Gray, 1849  @ @ @
Chirroteuthidae error Chirroteuthidae [sic] = Chiroteuthidae @ @ @ @
Chitinoteuthididae F1991 @ @ @ @ @
Chitonidae F0057 Chitonidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Chlamydephoridae F0677 Chlamydephoridae Cockerell, 1935 (1903)  Cockerell, 1935 (1903)  Rhytididae F0676
Chlamydoconchidae F0363 Chlamydoconchidae Dall, 1884  Dall, 1884  Galeommatidae F0117
Choanoceratidae F1977 @ @ @ @ @
Chondrinidae F0654 Chondrinidae Steenberg, 1925  Steenberg, 1925  @ @ @
Chondrodontidae F2543 @ @ @ @ @
Chondrophoridae F1832 @ @ @ @ @
Chondropomatidae F2564 @ @ @ @ @
Chondroteuthididae F1673 @ @ Belemnotheutidae @
Chondrotidae F1781 @ @ @ @ @
Choriplacidae F0445 Choriplacidae Ashby, 1928  Ashby, 1928  @ @ @
Choristellidae F0058 Choristellinae Bouchet & Warén, 1979 @ @ @ @
Choristoceratidae F2226 @ @ @ @ @
Christioceratidae F2350 @ @ @ @ @
Chromodorididae F0059 Chromodorididae Bergh, 1891  Bergh, 1891  @ @ @
Chronidae F1172 Chronidae Thiele, 1931 Thiele, 1931 @ @ @
Chuchlinidae F0879 Chuchlinidae Frýda & Bandel, 1997 Frýda & Bandel, 1997 @ @ @
Cimidae F0060 Cimidae Warén, 1993 Warén, 1993 @ @ @
Cingulopsidae F0061 Cingulopsidae Fretter & Patil, 1958 Fretter & Patil, 1958 @ @ @
Cionellidae F1173 @ @ @ @ @
Cirridae F0446 Cirridae Cossmann, 1916 Cossmann, 1916 @ @ @
Cirroctopodidae F0953 Cirroctopodidae Collins & Villenueva, 2006 Collins & Villenueva, 2006 @ @ @
Cirroteuthidae F0328 Cirroteuthidae Keferstein, 1866  Keferstein, 1866  @ @ @
Cladiscitidae F2249 @ @ @ @ @
Claraiidae F0894 Claraiidae Gavrilova, 1996 Gavrilova, 1996 @ @ @
Clathurellidae F1174 Clathurellidae H. Adams & A. Adams, 1858 H. Adams & A. Adams, 1858 @ @ @
Clausiliidae F0655 Clausiliidae Gray, 1855  Gray, 1855  @ @ @
Clavagellidae F0063 Clavagellidae d'Orbigny, 1844 d'Orbigny, 1844 @ @ @
Clavatoridae F1175 Clavatoridae Thiele, 1926 Thiele, 1926 @ @ @
Clavatulidae F1176 Clavatulidae Gray, 1853 Gray, 1853 @ @ @
Clavidae F1386 Clavidae Casey, 1904 Casey, 1904 Drilliidae F1199
Cleidothaeridae F0364 Cleidothaeridae Hedley, 1918 (1870)  Hedley, 1918 (1870)  @ @ @
Clenchiellidae F0938 Clenchiellidae D. W. Taylor, 1966 D. W. Taylor, 1966 @ @ @
Cleoniceratidae F2158 @ @ @ @ @
Cliidae F1177 Cliidae Jeffreys, 1869 Jeffreys, 1869 @ @ @
Clinoceratidae F1979 @ @ @ @ @
Clinopisthidae F0914 Clinopisthidae Pojeta, 1988 Pojeta, 1988 @ @ @
Clioidae F0329 Clioidae Jeffreys, 1869  Jeffreys, 1869  Cliidae F1177
Clionellidae F1387 Clionellidae Stimpson, 1865 Stimpson, 1865 Clavatulidae F1176
Clionidae F0064 Clionidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Clionitidae F2270 @ @ @ @ @
Cliopsidae F0065 Cliopsidae O. G. Costa, 1873  O. G. Costa, 1873  @ @ @
Cliospiridae F2539 @ @ @ @ @
Clisospiridae F0447 Clisospiridae S. A. Miller, 1889 S. A. Miller, 1889 @ @ @
Clistoceratidae F2395 @ @ @ @ @
Clistoconchidae F0927 Clistoconchidae Morton, 2012 Morton, 2012 @ @ @
Clivunellidae F1178 Clivunellidae Kochansky-Devidé & Slišković, 1972 Kochansky-Devidé & Slišković, 1972 @ @ @
Clydonautilidae F2451 @ @ @ @ @
Clydoniceratidae F2139 @ @ @ @ @
Clydonitidae F2268 @ @ @ @ @
Clymeniidae F2195 @ @ @ @ @
Clypeoceratidae F1733 @ @ Proptychitidae @
Clypeosectidae F1388 Clypeosectidae McLean, 1989 McLean, 1989 Lepetodrilidae F0154
Clypidinidae F1389 Clypidinidae Golikov & Starobogatov, 1989 Golikov & Starobogatov, 1989 Fissurellidae F0112
Cocculinellidae F0066 Cocculinellidae Moskalev, 1971  Moskalev, 1971  @ @ @
Cocculinidae F0067 Cocculinidae Dall, 1882  Dall, 1882  @ @ @
Cochlespiridae F1179 Cochlespiridae Powell, 1942 Powell, 1942 @ @ @
Cochlicellidae F1390 Cochlicellidae Schileyko, 1972 Schileyko, 1972 Geomitridae F1214
Cochlicopidae F0068 Cochlicopidae Pilsbry, 1900 (1879)  Pilsbry, 1900 (1879)  @ @ @
Cochliopidae F0939 Cochliopidae Tryon, 1866 Tryon, 1866 @ @ @
Cochloceratidae F2225 @ @ @ @ @
Cochlostomatidae F1391 Cochlostomatidae Kobelt, 1902 Kobelt, 1902 Megalomastomatidae F0796
Codonocheilidae F0448 Codonocheilidae S. A. Miller, 1889 S. A. Miller, 1889 @ @ @
Coeloceratidae F2109 @ @ @ @ @
Coelociontidae F1180 Coelociontidae Iredale, 1937 Iredale, 1937 @ @ @
Coelodiscidae F1903 @ @ @ @ @
Coelostylinidae F1181 Coelostylinidae Cossmann, 1908 Cossmann, 1908 @ @ @
Coilopoceratidae F2162 @ @ @ @ @
Colinatydidae F1182 Colinatydidae Oskars, Bouchet & Malaquias, 2015 Oskars, Bouchet & Malaquias, 2015 @ @ @
Collignoniceratidae F2153 @ @ @ @ @
Colloniidae F1183 Colloniidae Cossmann, 1917 Cossmann, 1917 @ @ @
Colombellinidae F0920 Colombellinidae P. Fischer, 1884 P. Fischer, 1884 @ @ @
Colpodaspididae F1184 Colpodaspididae Oskars, Bouchet & Malaquias, 2015 Oskars, Bouchet & Malaquias, 2015 @ @ @
Colpomyidae F0788 Colpomyidae Pojeta & Gilbert-Tomlinson, 1977 Pojeta & Gilbert-Tomlinson, 1977 @ @ @
Colubrariidae F1185 Colubrariidae Dall, 1904 Dall, 1904 @ @ @
Columbariidae F1392 Columbariidae Tomlin, 1928 Tomlin, 1928 Turbinellidae F0306
Columbellariidae F1393 Columbellariidae Zittel, 1895 Zittel, 1895 Colombellinidae F0920
Columbellidae F0069 Columbellidae Swainson, 1840  Swainson, 1840  @ @ @
Columbitidae F2282 @ @ @ @ @
Cominellidae F1394 @ @ Buccinidae F0035
Concholepadidae F1395 Concholepadidae Perrier, 1897 Perrier, 1897 Muricidae F0180
Condylocardiidae F0070 Condylocardiidae Bernard, 1896  Bernard, 1896  @ @ @
Congeriomorphidae F0836 Congeriomorphidae Saul, 1976 Saul, 1976 @ @ @
Conidae F0071 Conidae Fleming, 1822  Fleming, 1822  @ @ @
Conilithidae F1396 Conilithidae Tucker & Tenorio, 2009 Tucker & Tenorio, 2009 Conidae F0071
Conocardiidae F1853 @ @ @ @ @
Conorbidae F0791 Conorbidae de Gregorio, 1880 de Gregorio, 1880 @ @ @
Conradiinae F1397 Conradiinae Golikov & Starobogatov, 1987 Golikov & Starobogatov, 1987 Vanikoridae F0316
Cooperellidae F0365 Cooperellidae Dall, 1900 Dall, 1900 @ @ @
Coralliophilidae F0592 Coralliophilidae Chenu, 1859  Chenu, 1859  Muricidae F0180
Corambidae F0611 Corambidae Bergh, 1871  Bergh, 1871  @ @ @
Corbiculidae F0330 Corbiculidae Gray, 1847  Gray, 1847  Cyrenidae F1017
Corbulidae F0072 Corbulidae Lamarck, 1818  Lamarck, 1818  @ @ @
Coreospiridae F0449 Coreospiridae Knight, 1947 Knight, 1947 @ @ @
Coriandriidae F1398 Coriandriidae F. Nordsieck, 1972 F. Nordsieck, 1972 Cingulopsidae F0061
Corillidae F1186 Corillidae Pilsbry, 1905 Pilsbry, 1905 @ @ @
Corneocycladidae F1029 Corneocycladidae Hannibal, 1912 Hannibal, 1912 @ @ @
Cornirostridae F0073 Cornirostridae Ponder, 1990  Ponder, 1990  @ @ @
Cornulitidae F1917 @ @ @ @ @
Cortinellidae F0856 Cortinellidae Bandel, 2000 Bandel, 2000 @ @ @
Coryphellidae F0331 Coryphellidae Bergh, 1889  Bergh, 1889  Flabellinidae F0113
Costaclymeniidae F2199 @ @ @ @ @
Costasiellidae F1187 Costasiellidae K. B. Clarke, 1984 K. B. Clarke, 1984 @ @ @
Costatoriidae F1399 Costatoriidae Newell & Boyd, 1975 Newell & Boyd, 1975 Myophoriidae F0404
Costellaridae error Costellaridae [sic] = Costellariidae @ @ @ @
Costellariidae F0074 Costellariidae MacDonald, 1860 MacDonald, 1860 @ @ @
Coxiconchidae F1809 @ @ @ @ @
Coxiconchiidae F1188 Coxiconchiidae Babin, 1977 Babin, 1977 @ @ @
Cranchiidae F0075 Cranchiidae Prosch, 1849  Prosch, 1849  @ @ @
Craspedopomatidae F0794 Craspedopomatidae Kobelt & Möllendorff, 1898 Kobelt & Möllendorff, 1898 @ @ @
Craspedostomatidae F0450 Craspedostomatidae Wenz, 1938 Wenz, 1938 @ @ @
Crassatellidae F0076 Crassatellidae Férussac, 1822  Férussac, 1822  @ @ @
Crassatellitidae F1684 @ @ Crassatellidae @
Crassatellopsidae F0870 Crassatellopsidae Carter, 2011 Carter, 2011 @ @ @
Crassilinidae F1923 @ @ @ @ @
Crassimarginatidae F0740 Crassimarginatidae Frýda, Blodgett & Lenz, 2002 Frýda, Blodgett & Lenz, 2002 @ @ @
Crassinidae F1671 @ @ Astartidae @
Crassitudochitonidae F2525 @ @ @ @ @
Cratenidae F1400 Cratenidae Bergh, 1889 Bergh, 1889 Facelinidae F0106
Cravenoceratidae F2368 @ @ @ @ @
Crenellidae F1016 Crenellidae Gray, 1840 Gray, 1840 @ @ @
Crepidulidae F0581 Crepidulidae Fleming, 1822  Fleming, 1822  Calyptraeidae F0043
Creseidae F1189 Creseidae Rampal, 1973 Rampal, 1973 @ @ @
Crioceratitidae F2180 @ @ @ @ @
Crosseolidae F1190 Crosseolidae Hickman, 2013 Hickman, 2013 @ @ @
Cryptaulacidae F1401 Cryptaulacidae Gründel, 1976 Gründel, 1976 Procerithiidae F0497
Cryptoplacidae F0521 Cryptoplacidae H. Adams & A. Adams, 1858  H. Adams & A. Adams, 1858  @ @ @
Crystallophrissonidae F0954 Crystallophrissonidae Thiele, 1932 Thiele, 1932 @ @ @
Ctenodontidae F0366 Ctenodontidae Wöhrmann, 1893 Wöhrmann, 1893 @ @ @
Ctenopterygidae F0711 Ctenopterygidae Grimpe, 1922  Grimpe, 1922  Chtenopterygidae @
Ctenopterygiidae error Ctenopterygiidae [sic] = Ctenopterygidae @ @ @ @
Cucullaeidae F0077 Cucullaeidae Stewart, 1930  Stewart, 1930  @ @ @
Cucullellidae F0860 Cucullellidae P. Fischer, 1886 P. Fischer, 1886 @ @ @
Cultellidae F0367 Cultellidae Davies, 1935  Davies, 1935  Pharidae F0221
Cumanotidae F1402 Cumanotidae Odhner, 1907 Odhner, 1907 Flabellinidae F0113
Cumberlandiidae F1031 Cumberlandiidae Heard & Guckert, 1970 Heard & Guckert, 1970 @ @ @
Cuspidariidae F0078 Cuspidariidae Dall, 1886  Dall, 1886  @ @ @
Cuthonidae F0332 Cuthonidae Odhner, 1934  Odhner, 1934  Fionidae F0111
Cuvierinidae F1191 Cuvierinidae van der Spoel, 1967 van der Spoel, 1967 @ @ @
Cyamiidae F0368 Cyamiidae G.O. Sars, 1878  G.O. Sars, 1878  @ @ @
Cyathermiidae F1403 Cyathermiidae McLean, 1990 McLean, 1990 Neomphalidae F0550
Cycloceltitidae F2227 @ @ @ @ @
Cycloceratidae F2589 @ @ @ @ @
Cyclochlamydidae F1012 Cyclochlamydidae Dijkstra & Maestrati, 2012 Dijkstra & Maestrati, 2012 @ @ @
Cycloconchidae F0369 Cycloconchidae Ulrich, 1894 Ulrich, 1894 @ @ @
Cyclocyrtonellidae F1939 @ @ @ @ @
Cyclolobidae F2389 @ @ @ @ @
Cyclonematidae F1726 @ @ Platyceratidae @
Cyclonemidae F1887 @ @ @ @ @
Cyclophoridae F0079 Cyclophoridae Gray, 1847  Gray, 1847  @ @ @
Cycloridae F1696 @ @ Holopeidae @
Cyclostomatidae F1404 Cyclostomatidae Menke, 1828 Menke, 1828 Pomatiidae F0828
Cyclostomiceratidae F2045 @ @ @ @ @
Cyclostrematidae F0451 Cyclostrematidae P. Fischer, 1885 P. Fischer, 1885 Liotiidae F1235
Cycloteuthidae F0080 Cycloteuthidae Naef, 1923  Naef, 1923  @ @ @
Cyclozygidae F1740 @ @ Pseudozygopleuridae @
Cylichnidae F0081 Cylichnidae H. Adams & A. Adams, 1854  H. Adams & A. Adams, 1854  @ @ @
Cylindrellinidae F1192 Cylindrellinidae Zilch, 1959 Zilch, 1959 @ @ @
Cylindrobullidae F0082 Cylindrobullidae Thiele, 1931  Thiele, 1931  @ @ @
Cylindrobullinidae F1193 Cylindrobullinidae Wenz, 1938 Wenz, 1938 @ @ @
Cylindroteuthididae F2005 @ @ @ @ @
Cymaclymeniidae F2191 @ @ @ @ @
Cymatiidae F1405 Cymatiidae Iredale, 1913 (1854) Iredale, 1913 (1854) Ranellidae F0258
Cymatoceratidae F2477 @ @ @ @ @
Cymbitidae F2122 @ @ @ @ @
Cymbulariidae F1895 @ @ @ @ @
Cymbuliidae F0083 Cymbuliidae Gray, 1840  Gray, 1840  @ @ @
Cymodoceidae F1406 Cymodoceidae Gray, 1840 Gray, 1840 Hydromylidae F0140
Cynodontidae F1407 Cynodontidae MacDonald, 1860 MacDonald, 1860 Turbinellidae F0306
Cypraeidae F0084 Cypraeidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Cypricardiniidae F0842 Cypricardiniidae Ulrich, 1894 Ulrich, 1894 @ @ @
Cyprinidae F1004 Cyprinidae d'Orbigny, 1844 d'Orbigny, 1844 @ @ @
Cyrenellidae F1408 Cyrenellidae Gray, 1853 Gray, 1853 Cyrenoididae F0370
Cyrenidae F1017 Cyrenidae Gray, 1840 Gray, 1840 @ @ @
Cyrenoididae F0370 Cyrenoididae H. Adams & A. Adams, 1857 (1853) H. Adams & A. Adams, 1857 (1853) @ @ @
Cyrtendoceratidae F2077 @ @ @ @ @
Cyrtocerinidae F2052 @ @ @ @ @
Cyrtoclymeniidae F2193 @ @ @ @ @
Cyrtodontidae F0371 Cyrtodontidae Ulrich, 1894 Ulrich, 1894 @ @ @
Cyrtogomphoceratidae F1771 @ @ @ @ @
Cyrtolitidae F1943 @ @ @ @ @
Cyrtonellidae F1938 @ @ @ @ @
Cyrtovaginoceratidae F2488 @ @ @ @ @
Cystiscidae F0085 Cystiscidae Stimpson, 1865  Stimpson, 1865  @ @ @
Cystopeltidae F0694 Cystopeltidae Cockerell, 1891 Cockerell, 1891 @ @ @
Cytoridae F1409 Cytoridae Climo, 1969 Climo, 1969 Pupinidae F0561
Dactylidae F1410 Dactylidae H. Adams & A. Adams, 1853 H. Adams & A. Adams, 1853 Olividae F0199
Dactylioceratidae F2108 @ @ @ @ @
Dactylopodidae F1411 Dactylopodidae Bonnevie, 1931 Bonnevie, 1931 Phylliroidae F0229
Dallicordiidae F1092 Dallicordiidae Scarlato & Starobogatov, 1983 Scarlato & Starobogatov, 1983 @ @ @
Dalmateidae F2576 @ @ @ @ @
Damilinidae F0728 Damilinidae Horný, 1961 Horný, 1961 @ @ @
Danubitidae F2305 @ @ @ @ @
Daonellidae F0888 Daonellidae Neumayr, 1891 Neumayr, 1891 @ @ @
Daraelitidae F2439 @ @ @ @ @
Darvasiceratidae F2436 @ @ @ @ @
Dawsonellidae F0452 Dawsonellidae Wenz, 1938 Wenz, 1938 @ @ @
Dawsonoceratidae F1969 @ @ @ @ @
Deianiridae F0453 Deianiridae Wenz, 1938 Wenz, 1938 @ @ @
Delepinoceratidae F2345 @ @ @ @ @
Delphinulopsidae F0857 Delphinulopsidae Blodgett, Frýda & Stanley, 2001 Blodgett, Frýda & Stanley, 2001 @ @ @
Deltoceratidae F2587 @ @ @ @ @
Deltopectenidae F2541 @ @ @ @ @
Deltopectinidae F0372 Deltopectinidae Dickins, 1957 Dickins, 1957 @ @ @
Dendrodorididae F0086 Dendrodorididae O'Donoghue, 1924 (1864)  O'Donoghue, 1924 (1864)  @ @ @
Dendronotidae F0087 Dendronotidae Allman, 1845  Allman, 1845  @ @ @
Dendronotiidae error Dendronotiidae [sic] = Dendronotidae @ @ @ @
Dendropupidae F0800 Dendropupidae Wenz, 1938 Wenz, 1938 @ @ @
Dentaliidae F0088 Dentaliidae Children, 1834  Children, 1834  @ @ @
Dentoceratidae F2450 @ @ @ @ @
Depressizonidae F0910 Depressizonidae Geiger, 2003 Geiger, 2003 @ @ @
Dermatobranchidae F1412 Dermatobranchidae P. Fischer, 1883 P. Fischer, 1883 Arminidae F0024
Dermatomyidae F1093 Dermatomyidae Scarlato & Starobogatov, 1983 Scarlato & Starobogatov, 1983 @ @ @
Deroceratidae F1688 @ @ Eoderoceratidae @
Desertellidae F0373 Desertellidae Dechaseaux, 1947 Dechaseaux, 1947 @ @ @
Deshayesitidae F2106 @ @ @ @ @
Desmoceratidae F2095 @ @ @ @ @
Desmopteridae F0089 Desmopteridae Chun, 1889  Chun, 1889  @ @ @
Desmoteuthidae F0955 Desmoteuthidae Verrill, 1881 Verrill, 1881 @ @ @
Despoenidae F1413 Despoenidae Newton, 1891 Newton, 1891 Proserpinidae F0557
Devonopronoritidae F2430 @ @ @ @ @
Dialidae F0090 Dialidae Kay, 1979  Kay, 1979  @ @ @
Dianchoridae F1778 @ @ @ @ @
Diaphanidae F0091 Diaphanidae Odhner, 1914 (1857)  Odhner, 1914 (1857)  @ @ @
Diapheridae F1194 Diapheridae Panha & Naggs, 2010 Panha & Naggs, 2010 @ @ @
Diastomatidae F0575 Diastomatidae Cossmann, 1894  Cossmann, 1894  @ @ @
Diaululidae F1414 Diaululidae Bergh, 1891 Bergh, 1891 Discodorididae F0093
Diceratidae F0374 Diceratidae Dall, 1895 Dall, 1895 @ @ @
Dicerocardiidae F0375 Dicerocardiidae Kutassy, 1934 Kutassy, 1934 @ @ @
Dicoelitidae F2001 @ @ @ @ @
Dicricoconidae F1937 @ @ @ @ @
Dicristidae F1415 Dicristidae Golikov & Starobogatov, 1975 Golikov & Starobogatov, 1975 Neocyclotidae F0797
Dicrolomatidae F1416 Dicrolomatidae Korotkov, 1992 Korotkov, 1992 Aporrhaidae F0919
Dictyoptychidae F1871 @ @ @ @ @
Didymitidae F2291 @ @ @ @ @
Dieneroceratidae F2236 @ @ @ @ @
Diestoceratidae F2511 @ @ @ @ @
Dilatilabridae F0921 Dilatilabridae Bandel, 2007 Bandel, 2007 @ @ @
Dimeroceratidae F2324 @ @ @ @ @
Dimitobelidae F1998 @ @ @ @ @
Dimorphoceratidae F2357 @ @ @ @ @
Dimyidae F0092 Dimyidae P. Fischer, 1886  P. Fischer, 1886  @ @ @
Dinaritidae F2284 @ @ @ @ @
Diozoptyxidae F1417 Diozoptyxidae Pchelintsev, 1960 Pchelintsev, 1960 Campanilidae F0574
Diphyllidiidae F1418 Diphyllidiidae d'Orbigny, 1841 d'Orbigny, 1841 Arminidae F0024
Diplobelidae F2026 @ @ @ @ @
Diplodontidae F0994 Diplodontidae Carpenter, 1861 Carpenter, 1861 @ @ @
Diplommatinidae F0560 Diplommatinidae Pfeiffer, 1856  Pfeiffer, 1856  @ @ @
Diplomoceratidae F2189 @ @ @ @ @
Diplothecidae F1956 @ @ @ @ @
Dipnelicidae F1419 Dipnelicidae Iredale, 1937 Iredale, 1937 Charopidae F0682
Dipoloceratidae F2444 @ @ @ @ @
Dironidae F0626 Dironidae Eliot, 1910 Eliot, 1910 @ @ @
Discidae F0683 Discidae Thiele, 1931 (1866)  Thiele, 1931 (1866)  @ @ @
Discoceratidae F2491 @ @ @ @ @
Discodorididae F0093 Discodorididae Bergh, 1891  Bergh, 1891  @ @ @
Discohelicidae F1195 Discohelicidae Schröder, 1995 Schröder, 1995 @ @ @
Discophyllitidae F2401 @ @ @ @ @
Discosoridae F1766 @ @ @ @ @
Distichitidae F2271 @ @ @ @ @
Distorsioninae F1420 Distorsioninae Beu, 1981 Beu, 1981 Personidae F0219
Dolabriferidae F1421 @ @ Aplysiidae F0019
Doliidae F1422 Doliidae Latreille, 1825 Latreille, 1825 Tonnidae F0293
Dolomitellidae F1196 Dolomitellidae Bandel, 1994 Bandel, 1994 @ @ @
Dolponellidae F0765 Dolponellidae Waterhouse, 2001 Waterhouse, 2001 @ @ @
Domatoceratidae F2468 @ @ @ @ @
Donacidae F0094 Donacidae Fleming, 1828  Fleming, 1828  @ @ @
Donaldinidae F1888 @ @ @ @ @
Dondersiidae F0531 Dondersiidae Simroth, 1893  Simroth, 1893  @ @ @
Donovaniconidae F2013 @ @ @ @ @
Dorcasiidae F0672 Dorcasiidae Connolly, 1915  Connolly, 1915  @ @ @
Dorididae F0095 Dorididae Rafinesque, 1815 Rafinesque, 1815 @ @ @
Doridiidae F1423 Doridiidae Gray, 1847 Gray, 1847 Aglajidae F0011
Doridoeididae F1424 Doridoeididae Eliot & Evans, 1908 Eliot & Evans, 1908 Doridomorphidae F1197
Doridomorphidae F1197 Doridomorphidae Er. Marcus & Ev. Marcus, 1960 (1908) Er. Marcus & Ev. Marcus, 1960 (1908) @ @ @
Doridopsidae F1425 Doridopsidae Alder & Hancock, 1864 Alder & Hancock, 1864 Dendrodorididae F0086
Doridoxidae F0609 Doridoxidae Bergh, 1899  Bergh, 1899  @ @ @
Dotidae F0096 Dotidae Gray, 1853  Gray, 1853  @ @ @
Dotoidae F1426 @ @ Dotidae F0096
Douvilleiceratidae F2175 @ @ @ @ @
Drahomiridae F2585 @ @ @ @ @
Draparnaudiidae F1198 Draparnaudiidae Solem, 1962 Solem, 1962 @ @ @
Dreissenidae F0097 Dreissenidae Gray, 1840  Gray, 1840  @ @ @
Dreisseniidae F1777 @ @ @ @ @
Drepanomeniidae F0544 Drepanomeniidae Salvini-Plawen, 1978 Salvini-Plawen, 1978 @ @ @
Drilliidae F1199 Drilliidae Olsson, 1964 Olsson, 1964 @ @ @
Dronovitidae F2278 @ @ @ @ @
Dualinidae F0801 Dualinidae Conrath, 1887 Conrath, 1887 @ @ @
Dubariceratidae F1690 @ @ Eoderoceratidae @
Duranidae F1793 @ @ @ @ @
Duvaliidae F2000 @ @ @ @ @
Duvauceliidae F1427 Duvauceliidae Iredale & O'Donoghue, 1923 Iredale & O'Donoghue, 1923 Tritoniidae F0302
Dyakiidae F1200 Dyakiidae Gude & B. B. Woodward, 1921 Gude & B. B. Woodward, 1921 @ @ @
Dycheiidae F2522 @ @ @ @ @
Dzhulfitidae F2213 @ @ @ @ @
Dzulfitidae F2217 @ @ @ @ @
Eatoniellidae F0098 Eatoniellidae Ponder, 1965  Ponder, 1965  @ @ @
Eatoninidae F1428 Eatoninidae Golikov & Starobogatov, 1975 Golikov & Starobogatov, 1975 Cingulopsidae F0061
Ebalidae F0099 Ebalinae Warén, 1995  @ @ @ @
Echinichidae F1201 Echinichidae F.G. Thompson & Naranjo-García, 2012 F.G. Thompson & Naranjo-García, 2012 @ @ @
Echinochilidae F1429 Echinochilidae Odhner, 1968 Odhner, 1968 Cadlinidae F0039
Echinochitonidae F2527 @ @ @ @ @
Echinofulguridae F0764 Echinofulguridae Petuch, 1994 Petuch, 1994 @ @ @
Echioceratidae F2123 @ @ @ @ @
Edmondiidae F0376 Edmondiidae King, 1850 King, 1850 @ @ @
Elachisinidae F0100 Elachisinidae Ponder, 1985  Ponder, 1985  @ @ @
Elasmonematidae F0454 Elasmonematidae Knight, 1956 Knight, 1956 @ @ @
Elatioriellidae F2574 @ @ @ @ @
Elegantellidae F2569 @ @ @ @ @
Eligmidae F0875 Eligmidae Gill, 1871 Gill, 1871 @ @ @
Ellesmeroceratidae F2047 @ @ @ @ @
Ellipstomatidae F1430 Ellipstomatidae Hannibal, 1912 Hannibal, 1912 Pleuroceridae F0576
Ellobiidae F0101 Ellobiidae L. Pfeiffer, 1854 (1822)  L. Pfeiffer, 1854 (1822)  @ @ @
Elonidae F1202 Elonidae E. Gittenberger, 1977 E. Gittenberger, 1977 @ @ @
Elysiidae F0333 Elysiidae Forbes & Hanley, 1851 Forbes & Hanley, 1851 Plakobranchidae F0234
Emblandidae F0567 Emblandidae Ponder, 1985  Ponder, 1985  @ @ @
Embletoniidae F1203 Embletoniidae Pruvot-Fol, 1954 Pruvot-Fol, 1954 @ @ @
Emeithecidae F1954 @ @ @ @ @
Emmericiidae F0940 Emmericiidae Brusina, 1870 Brusina, 1870 @ @ @
Endoceratidae F2076 @ @ @ @ @
Endocycloceratidae F2489 @ @ @ @ @
Endodontidae F0679 Endodontidae Pilsbry, 1895  Pilsbry, 1895  @ @ @
Engonoceratidae F2144 @ @ @ @ @
Engorthoceratidae F1980 @ @ @ @ @
Enidae F1204 Enidae B. B. Woodward, 1903 (1880) B. B. Woodward, 1903 (1880) @ @ @
Enigmaconidae F1761 @ @ Yochelcionellidae @
Enoploteuthidae F0102 Enoploteuthidae Pfeffer, 1900 Pfeffer, 1900 @ @ @
Entalinidae F0103 Entalinidae Chistikov, 1979  Chistikov, 1979  @ @ @
Enteroxenidae F1431 Enteroxenidae Schwanwitsch, 1917 Schwanwitsch, 1917 Eulimidae F0105
Entocolacidae F1432 Entocolacidae Voigt, 1888 Voigt, 1888 Eulimidae F0105
Entoconchidae F0590 Entoconchidae Keferstein, 1864 Keferstein, 1864 Eulimidae F0105
Entogonitidae F2375 @ @ @ @ @
Entoliidae F0377 Entoliidae Teppner, 1922  Teppner, 1922  @ @ @
Entolioidesidae F0802 Entolioidesidae Kasum-Zade, 2003 Kasum-Zade, 2003 @ @ @
Entolioididae F2542 @ @ @ @ @
Eoacmaeidae F0747 Eoacmaeidae Nakano & Ozawa, 2007 Nakano & Ozawa, 2007 @ @ @
Eocypraeidae F0798 Eocypraeidae Schilder, 1924 Schilder, 1924 @ @ @
Eoderoceratidae F2111 @ @ @ @ @
Eodonidae F0739 Eodonidae Carter, D. C. Campbell & M. R. Campbell, 2000 Carter, D. C. Campbell & M. R. Campbell, 2000 @ @ @
Eogonioloboceratidae F2358 @ @ @ @ @
Eopteriidae F1851 @ @ @ @ @
Eoptychiidae F1742 @ @ Pseudozygopleuridae @
Eosagenitidae F2233 @ @ @ @ @
Eoscaphandridae F1205 Eoscaphandridae Chaban & Kijashko, 2016 Chaban & Kijashko, 2016 @ @ @
Eoschizodidae F1063 Eoschizodidae Newell & Boyd, 1975 Newell & Boyd, 1975 @ @ @
Eoshumarditidae F2396 @ @ @ @ @
Eosoconidae F1694 @ @ Helcionellidae @
Eothinoceratidae F2051 @ @ @ @ @
Eotomariidae F0455 Eotomariidae Wenz, 1938 Wenz, 1938 @ @ @
Ephippiodontidae F1808 @ @ @ @ @
Ephippoceratidae F2454 @ @ @ @ @
Ephippodontidae F1086 Ephippodontidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Epideroceratidae F1725 @ @ Phricodoceratidae @
Epidiceratidae F0901 Epidiceratidae Rengarten, 1950 Rengarten, 1950 @ @ @
Epigridae F0568 Epigridae Ponder, 1985  Ponder, 1985  @ @ @
Epimeniidae F0546 Epimeniidae Salvini-Plawen, 1978  Salvini-Plawen, 1978  @ @ @
Epiphragmophoridae F1206 Epiphragmophoridae Hoffmann, 1928 Hoffmann, 1928 @ @ @
Epirobiidae F1207 Epirobiidae F.G. Thompson, 2012 F.G. Thompson, 2012 @ @ @
Episculitidae F2294 @ @ @ @ @
Epitonidae error Epitonidae [sic] = Epitoniidae @ @ @ @
Epitoniidae F0346 Epitoniidae Berry, 1910 (1812)  Berry, 1910 (1812)  @ @ @
Epulotrochidae F0930 Epulotrochidae Gründel, Keupp & Lang, 2017 Gründel, Keupp & Lang, 2017 @ @ @
Eratoidae F1433 @ @ Triviidae F0303
Ericiidae F1434 Ericiidae Wenz, 1915 Wenz, 1915 Pomatiidae F0828
Eriditidae F1970 @ @ @ @ @
Eritropidae F1001 Eritropidae Cope, 2000 Cope, 2000 @ @ @
Erodonidae F0378 Erodonidae Winckworth, 1932 Winckworth, 1932 @ @ @
Erodoninae F1786 @ @ @ @ @
Erugoniidae F1058 Erugoniidae McRoberts, 2017 McRoberts, 2017 @ @ @
Erycinidae F0379 Erycinidae Deshayes, 1850  Deshayes, 1850  Lasaeidae F0150
Eskimoceratidae F1978 @ @ @ @ @
Estonioceratidae F1772 @ @ @ @ @
Etheriidae F0380 Etheriidae Deshayes, 1832  Deshayes, 1832  @ @ @
Eubranchidae F0104 Eubranchidae Odhner, 1934  Odhner, 1934  @ @ @
Eucalodiidae F1208 Eucalodiidae P. Fischer & Crosse, 1873 P. Fischer & Crosse, 1873 @ @ @
Euchondriidae F0805 Euchondriidae Newell, 1938 Newell, 1938 @ @ @
Euciroidae F1007 Euciroidae Dall, 1895 Dall, 1895 @ @ @
Eucochlidae F0931 Eucochlidae Bandel, 2002 Bandel, 2002 @ @ @
Euconulidae F0690 Euconulidae H. B. Baker, 1928 H. B. Baker, 1928 @ @ @
Eucyclidae F0912 Eucyclidae Koken, 1896 Koken, 1896 @ @ @
Eucycloscalidae F0913 Eucycloscalidae Gründel, 2007 Gründel, 2007 @ @ @
Eudoceratidae F2448 @ @ @ @ @
Eulimidae F0105 Eulimidae Philippi, 1853  Philippi, 1853  @ @ @
Eulophoceratidae F1700 @ @ Lenticeratidae @
Euloxidae F1800 @ @ @ @ @
Eumetulidae F1435 Eumetulidae Golikov & Starobogatov, 1975 Golikov & Starobogatov, 1975 Newtoniellidae F1255
Eunemopsidae F1915 @ @ @ @ @
Euomphalidae F0456 Euomphalidae White, 1877 White, 1877 @ @ @
Euomphalopteridae F1691 @ @ Euomphalidae @
Euphemitidae F1892 @ @ @ @ @
Euphuridae F1436 Euphuridae Iredale & O'Donoghue, 1923 Iredale & O'Donoghue, 1923 Polyceridae F0243
Eupleuroceratidae F2384 @ @ @ @ @
Euribiidae F1437 Euribiidae Troschel, 1856 Troschel, 1856 Hydromylidae F0140
Eurydesmatidae F0808 Eurydesmatidae Reed, 1932 Reed, 1932 @ @ @
Eustomatidae F0776 Eustomatidae Cossmann, 1906 Cossmann, 1906 @ @ @
Eutrephoceratidae F1715 @ @ Nautilidae @
Evyanidae F0789 Evyanidae Carter, D. C. Campbell & M. R. Campbell, 2000 Carter, D. C. Campbell & M. R. Campbell, 2000 @ @ @
Ewekoroiidae F1685 @ @ Diastomatidae @
Facelinidae F0106 Facelinidae Bergh, 1889  Bergh, 1889  @ @ @
Fagotiidae F1712 @ @ Melanopsidae @
Fairbankiinae F1438 Fairbankiinae Thiele, 1928 Thiele, 1928 Iravadiidae F0142
Falcatodontidae F0810 Falcatodontidae Cope, 1996 Cope, 1996 @ @ @
Falsicingulidae F0107 Falsicingulidae Slavoshevskaya, 1975 Slavoshevskaya, 1975 @ @ @
Farewelliidae F0847 Farewelliidae Mazaev, 2011 Mazaev, 2011 @ @ @
Fasciolariidae F0108 Fasciolariidae Gray, 1853  Gray, 1853  @ @ @
Fauxulidae F1209 Fauxulidae Harl & Páll-Gergely, 2017 Harl & Páll-Gergely, 2017 @ @ @
Favorinidae F0334 Favorinidae Bergh, 1889 Bergh, 1889 Facelinidae F0106
Faxiidae F1439 Faxiidae Ravn, 1933 Ravn, 1933 Pickworthiidae F0230
Fedaiellidae F1886 @ @ @ @ @
Ferganoceratidae F2365 @ @ @ @ @
Ferganoconchidae F2549 @ @ @ @ @
Ferreiraellidae F0956 Ferreiraellidae Dell'Angelo & Palazzi, 1991 Dell'Angelo & Palazzi, 1991 @ @ @
Ferrussacidae F1440 Ferrussacidae Bourguignat, 1883 Bourguignat, 1883 Ferussaciidae F0663
Ferrussaciidae F1211 Ferrussaciidae Bourguignat, 1883 Bourguignat, 1883 @ @ @
Ferussaciidae F0663 Ferussaciidae Bourguignat, 1883 Bourguignat, 1883 @ @ @
Ferussinidae F0795 Ferussinidae Wenz, 1923 (1915) Wenz, 1923 (1915) @ @ @
Fibuloptygmatidae F2578 @ @ @ @ @
Fibulotyxisidae F2579 @ @ @ @ @
Ficidae F0109 Ficidae Meek, 1864 (1840)  Meek, 1864 (1840)  @ @ @
Ficulidae F1441 Ficulidae Carpenter, 1857 Carpenter, 1857 Ficidae F0109
Filholiidae F1212 Filholiidae Wenz, 1923 Wenz, 1923 @ @ @
Fimbriidae F0110 @ @ @ @ @
Finellidae F1442 Finellidae Thiele, 1929 Thiele, 1929 Scaliolidae F0265
Fionidae F0111 Fionidae Gray, 1857  Gray, 1857  @ @ @
Firolidae F1443 Firolidae Rafinesque, 1815 Rafinesque, 1815 Pterotracheidae F0585
Fissurellidae F0112 Fissurellidae Fleming, 1822  Fleming, 1822  @ @ @
Flabellinidae F0113 Flabellinidae Bergh, 1889  Bergh, 1889  @ @ @
Flammulinidae F1444 Flammulinidae Crosse, 1895 Crosse, 1895 Charopidae F0682
Flemingitidae F2243 @ @ @ @ @
Flemingostreidae F1780 @ @ @ @ @
Flickiidae F2156 @ @ @ @ @
Forbesiceratidae F2150 @ @ @ @ @
Forbesiceridae F2100 @ @ @ @ @
Fordillidae F1071 Fordillidae Pojeta, 1975 Pojeta, 1975 @ @ @
Fordilloidea F0746 @ @ @ @ @
Fossaridae F0577 Fossaridae A. Adams, 1860  A. Adams, 1860  Planaxidae F0235
Fossarinidae F1827 @ @ @ @ @
Frejidae F0761 Frejidae Ratter & Cope, 1998 Ratter & Cope, 1998 @ @ @
Frenguelliellidae F1879 @ @ @ @ @
Fryeriidae F1445 Fryeriidae Baranetz & Minichev, 1994 Baranetz & Minichev, 1994 Phyllidiidae F0228
Furnishoceratidae F2337 @ @ @ @ @
Fusidae F1858 @ @ @ @ @
Fusispiridae F1446 Fusispiridae S. A. Miller, 1889 S. A. Miller, 1889 Subulitidae F0510
Fustiariidae F0114 Fustiariidae Steiner, 1991  Steiner, 1991  @ @ @
Gadilidae F0115 Gadilidae Steiner, 1992  Steiner, 1992  @ @ @
Gadilinidae F0116 Gadilinidae Chistikov, 1975  Chistikov, 1975  @ @ @
Gadiniidae F1447 Gadiniidae Gray, 1840 Gray, 1840 Trimusculidae F0299
Gafrariidae F1044 Gafrariidae Korobkov, 1954 Korobkov, 1954 @ @ @
Gaimardiidae F0381 Gaimardiidae Hedley, 1916  Hedley, 1916  @ @ @
Galatheavalvidae F0721 Galatheavalvidae Knudsen, 1970  Knudsen, 1970  @ @ @
Galeodidae F1713 @ @ Melongeninae @
Galeodoliidae F1448 Galeodoliidae Sacco, 1891 Sacco, 1891 Tonnidae F0293
Galeommatidae F0117 Galeommatidae Gray, 1840  Gray, 1840  @ @ @
Galfettitidae F1721 @ @ Paranoritidae @
Ganatidae F2557 @ @ @ @ @
Ganitidae F1449 Ganitidae Rankin, 1979 Rankin, 1979 Parhedylidae F1266
Garidae F1107 Garidae Stoliczka, 1870 Stoliczka, 1870 @ @ @
Gascoignellidae F0603 Gascoignellidae Jensen, 1985 Jensen, 1985 Platyhedylidae F0599
Gascoigniellidae error Gascoigniellidae [sic] = Gascoignellidae @ Gascoignellidae F0603
Gasteropteridae F1451 @ @ Gastropteridae F0119
Gastrioceratidae F2370 @ @ @ @ @
Gastrochaenidae F0118 Gastrochaenidae Gray, 1840  Gray, 1840  @ @ @
Gastrocoptidae F1213 Gastrocoptidae Pilsbry, 1918 Pilsbry, 1918 @ @ @
Gastrodontidae F0689 Gastrodontidae Tryon, 1866  Tryon, 1866  @ @ @
Gastropteridae F0119 Gastropteridae Swainson, 1840  Swainson, 1840  @ @ @
Gattendorfiidae F2320 @ @ @ @ @
Gaudryceratidae F2102 @ @ @ @ @
Gazidae F1452 Gazidae Hickman & McLean, 1990 Hickman & McLean, 1990 Margaritidae F0991
Geisonoceratidae F1972 @ @ @ @ @
Geitodorididae F0618 Geitodorididae Odhner, 1968 Odhner, 1968 Discodorididae F0093
Geloinidae F1037 Geloinidae Iredale, 1943 Iredale, 1943 @ @ @
Geomitridae F1214 Geomitridae C.R. Boettger, 1909 C.R. Boettger, 1909 @ @ @
Geopeltididae F2017 @ @ @ @ @
Georissidae F1453 Georissidae Blanford, 1864 Blanford, 1864 Hydrocenidae F0463
Gephuroceratidae F2431 @ @ @ @ @
Gigantocapulidae F1905 @ @ @ @ @
Giraudiidae F1454 Giraudiidae Bourguignat, 1885 Bourguignat, 1885 Paludomidae F0781
Girtyoceratidae F2373 @ @ @ @ @
Glacidorbidae F0644 Glacidorbidae Ponder, 1986  Ponder, 1986  @ @ @
Glaphyritidae F2372 @ @ @ @ @
Glatziellidae F2203 @ @ @ @ @
Glaucidae F0120 Glaucidae Gray, 1827  Gray, 1827  @ @ @
Glaucomyidae F1803 @ @ @ @ @
Glauconiidae F1455 Glauconiidae Pchelintsev, 1953 Pchelintsev, 1953 Cassiopidae F0774
Glauconomidae F0121 Glauconomidae Gray, 1853  Gray, 1853  @ @ @
Globocornidae F0858 Globocornidae Espinosa & Ortea, 2010 Espinosa & Ortea, 2010 @ @ @
Globorilidae F1953 @ @ @ @ @
Globulariidae F1456 Globulariidae Wenz, 1941 Wenz, 1941 Ampullinidae F0766
Glochinomorphidae F2038 @ @ @ @ @
Glomidae F1116 Glomidae Verrill & Bush, 1897 Verrill & Bush, 1897 @ @ @
Glossidae F0122 Glossidae Gray, 1847 (1840)  Gray, 1847 (1840)  @ @ @
Glossodorididae F1457 Glossodorididae O'Donoghue, 1924 O'Donoghue, 1924 Chromodorididae F0059
Glycymeridae error Glycymeirdae [sic] = Glycymerididae @ @ @ @
Glycymerididae F0123 Glycymerididae Dall, 1908 (1847)  Dall, 1908 (1847)  @ @ @
Glyptarcidae F0812 Glyptarcidae Cope, 1996 Cope, 1996 @ @ @
Gonatidae F0124 Gonatidae Hoyle, 1886  Hoyle, 1886  @ @ @
Goniaeolididae F0628 Goniaeolididae Odhner, 1907  Odhner, 1907  @ @ @
Goniasmatidae F0872 Goniasmatidae Nützel & Bandel, 2000 Nützel & Bandel, 2000 @ @ @
Goniatitidae F2344 @ @ @ @ @
Gonieolididae F1458 @ @ Goniaeolididae F0628
Goniocardiidae F1799 @ @ @ @ @
Gonioceratidae F2083 @ @ @ @ @
Gonioclymeniidae F2198 @ @ @ @ @
Goniodorididae F0125 Goniodorididae H. Adams & A. Adams, 1854  H. Adams & A. Adams, 1854  @ @ @
Gonioglyphioceratidae F2353 @ @ @ @ @
Gonioloboceratidae F2352 @ @ @ @ @
Gonionautilidae F2453 @ @ @ @ @
Gonionowakiidae F1918 @ @ @ @ @
Goniophorinidae F0840 Goniophorinidae Sánchez, 2006 Sánchez, 2006 @ @ @
Gonyodiscidae F1459 Gonyodiscidae A. J. Wagner, 1928 A. J. Wagner, 1928 Discidae F0683
Gordenellidae F1215 Gordenellidae Gründel, 2000 Gründel, 2000 @ @ @
Gorgoleptidae F0551 Gorgoleptidae McLean, 1988  McLean, 1988  Lepetodrilidae F0154
Gosseletinidae F0457 Gosseletinidae Wenz, 1938 Wenz, 1938 @ @ @
Gotlandochitonidae F2528 @ @ @ @ @
Graciloceratidae F2513 @ @ @ @ @
Grammysiidae F0382 Grammysiidae S. A. Miller, 1877 S. A. Miller, 1877 @ @ @
Grandipatulidae F1216 Grandipatulidae Pfeffer, 1930 Pfeffer, 1930 @ @ @
Grangerellidae F1217 Grangerellidae Russell, 1931 Russell, 1931 @ @ @
Graphididae F1460 Graphididae J.C. N. Barros, Mello, F. N. Barros, Lima, Santos, Cabral & Padovan, 2003 J.C. N. Barros, Mello, F. N. Barros, Lima, Santos, Cabral & Padovan, 2003 Tofanellidae F1315
Graphoceratidae F2088 @ @ @ @ @
Greenlandoceratidae F1763 @ @ @ @ @
Grimalditeuthidae F0335 Grimalditeuthidae Pfeffer, 1900  Pfeffer, 1900  Chiroteuthidae F0056
Grimpoteuthidae F0957 Grimpoteuthidae O'Shea, 1999 O'Shea, 1999 @ @ @
Groeberellidae F1069 Groeberellidae Pérez, Reyes & Damborenea, 1995 Pérez, Reyes & Damborenea, 1995 @ @ @
Groenlandibelidae F2029 @ @ @ @ @
Gruveliidae F1461 Gruveliidae Thiele, 1931 Thiele, 1931 Discodorididae F0093
Gryphaeidae F0126 Gryphaeidae Vialov, 1936  Vialov, 1936  @ @ @
Gryphochitonidae F2526 @ @ @ @ @
Grypoceratidae F2483 @ @ @ @ @
Gudeoconchidae F1462 Gudeoconchidae Iredale, 1944 Iredale, 1944 Helicarionidae F1219
Gymnitidae F2261 @ @ @ @ @
Gymnocerithiidae F1463 Gymnocerithiidae Golikov & Starobogatov, 1987 Golikov & Starobogatov, 1987 Campanilidae F0574
Gymnodorididae F0127 Gymnodorididae Odhner, 1941  Odhner, 1941  @ @ @
Gymnomeniidae F0458 Gymnomeniidae Odhner, 1920  Odhner, 1920  @ @ @
Gyrodidae F1464 Gyrodidae Wenz, 1938 Wenz, 1938 Ampullinidae F0766
Gyronitidae F2246 @ @ @ @ @
Gyropleuridae F1791 @ @ @ @ @
Gyrotropidae F1906 @ @ @ @ @
Gzheloceratidae F2459 @ @ @ @ @
Hainesiidae F1709 @ @ Megalomastomatidae @
Halgerdidae F0620 Halgerdidae Odhner, 1926  Odhner, 1926  Discodorididae F0093
Haliotidae F0128 Haliotidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Halkieriidae F1845 @ @ @ @ @
Halobiidae F0889 Halobiidae Kittl, 1912 Kittl, 1912 @ @ @
Haloceratidae F0129 Haloceratidae Warén & Bouchet, 1991  Warén & Bouchet, 1991  @ @ @
Halonymphidae F1098 Halonymphidae Scarlato & Starobogatov, 1983 Scarlato & Starobogatov, 1983 @ @ @
Halopsychidae F1465 Halopsychidae Pelseneer, 1887 Pelseneer, 1887 Hydromylidae F0140
Haloritidae F2292 @ @ @ @ @
Hamineidae F0596 Hamineidae (Spelling variation) @ Haminoeidae F0130
Haminoeidae F0130 Haminoeidae Pilsbry, 1895  Pilsbry, 1895  @ @ @
Hamitidae F2187 @ @ @ @ @
Hammatoceratidae F2091 @ @ @ @ @
Hammelloceratidae F1734 @ @ Proteoceratidae @
Hamulinidae F2442 @ @ @ @ @
Hancockiidae F0624 Hancockiidae MacFarland, 1923 MacFarland, 1923 @ @ @
Hanleyidae F0459 Hanleyidae Bergenhayn, 1955  Bergenhayn, 1955  @ @ @
Haploceratidae F2120 @ @ @ @ @
Haplotrematidae F1218 Haplotrematidae H.B. Baker, 1925 H.B. Baker, 1925 @ @ @
Harpidae F0131 Harpidae Bronn, 1849  Bronn, 1849  @ @ @
Hastitidae F2009 @ @ @ @ @
Hebetoceratidae F2067 @ @ @ @ @
Hedenstroemiidae F2255 @ @ @ @ @
Hedleyoconchidae F1466 Hedleyoconchidae Iredale, 1942 Iredale, 1942 Charopidae F0682
Hedylidae F1467 Hedylidae Bergh, 1895 Bergh, 1895 Hedylopsidae F0132
Hedylopsidae F0132 Hedylopsidae Odhner, 1952  Odhner, 1952  @ @ @
Helcionellidae F1836 @ @ @ @ @
Heliacidae F1468 Heliacidae Cotton & Godfrey, 1933 Cotton & Godfrey, 1933 Architectonicidae F0020
Helicarionidae F1219 Helicarionidae Bourguignat, 1877 Bourguignat, 1877 @ @ @
Helicellidae F0708 Helicellidae Ihering, 1909  Ihering, 1909  Hygromiidae F0706
Helicidae F0707 Helicidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Helicinidae F0460 Helicinidae Férussac, 1822  Férussac, 1822  @ @ @
Helicodiscidae F0681 Helicodiscidae H. B. Baker, 1927 H. B. Baker, 1927 @ @ @
Helicodontidae F1220 Helicodontidae Kobelt, 1904 Kobelt, 1904 @ @ @
Helicostoidae F0902 Helicostoidae Pruvot-Fol, 1937 Pruvot-Fol, 1937 @ @ @
Helicotomidae F0461 Helicotomidae Wenz, 1938 Wenz, 1938 @ @ @
Hellenitidae F2285 @ @ @ @ @
Helminthochitonidae F2529 @ @ @ @ @
Helminthoglyptidae F1221 Helminthoglyptidae Pilsbry, 1939 Pilsbry, 1939 @ @ @
Hematitidae F2015 @ @ @ @ @
Hemiarthridae F0958 Hemiarthridae Sirenko, 1997 Sirenko, 1997 @ @ @
Hemidonacidae F0722 Hemidonacidae Scarlato & Starobogatov, 1971  Scarlato & Starobogatov, 1971  @ @ @
Hemihoplitidae F2176 @ @ @ @ @
Hemilecanitidae F2211 @ @ @ @ @
Hemimeniidae F0535 Hemimeniidae Salvini-Plawen, 1978  Salvini-Plawen, 1978  @ @ @
Hemimicroceratidae F1687 @ @ Eoderoceratidae @
Hemiphragmoceratidae F2499 @ @ @ @ @
Hemithecellidae F1848 @ @ @ @ @
Heraclitidae F2274 @ @ @ @ @
Hercoceratidae F2503 @ @ @ @ @
Hercoglossidae F0959 Hercoglossidae Spath, 1927 Spath, 1927 @ @ @
Hercolepadidae F2536 @ @ @ @ @
Hermaeidae F0133 Hermaeidae H. Adams & A. Adams, 1854  H. Adams & A. Adams, 1854  @ @ @
Heroidae F0630 Heroidae Gray, 1857 Gray, 1857 @ @ @
Heteranomiidae F1087 Heteranomiidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Heteroceratidae F2181 @ @ @ @ @
Heterodorididae F1469 Heterodorididae Verrill & Emerton, 1882 Verrill & Emerton, 1882 Arminidae F0024
Heteroherpiidae F0538 Heteroherpiidae Salvini-Plawen, 1978  Salvini-Plawen, 1978  @ @ @
Heteroneritidae F1222 Heteroneritidae Gründel, 1998 Gründel, 1998 @ @ @
Heteropectinidae F0817 Heteropectinidae Beurlen, 1954 Beurlen, 1954 @ @ @
Heterosubulitidae F1223 Heterosubulitidae Bandel, 2002 Bandel, 2002 @ @ @
Hexabranchidae F0134 Hexabranchidae Bergh, 1891  Bergh, 1891  @ @ @
Hexaclymeniidae F2204 @ @ @ @ @
Hiatellidae F0135 Hiatellidae Gray, 1824  Gray, 1824  @ @ @
Hilacanthidae F1470 Hilacanthidae Bourguignat, 1886 Bourguignat, 1886 Paludomidae F0781
Hildoceratidae F2089 @ @ @ @ @
Himalayitidae F2169 @ @ @ @ @
Himantoceratidae F2183 @ @ @ @ @
Hippocardiidae F1849 @ @ @ @ @
Hippochrenidae F0922 Hippochrenidae Bandel, 2007 Bandel, 2007 @ @ @
Hipponicidae F0136 Hipponicidae Troschel, 1861  Troschel, 1861  @ @ @
Hippopodiidae F2548 @ @ @ @ @
Hippopodiumidae F0843 Hippopodiumidae Cox, 1969 Cox, 1969 @ @ @
Hippuritidae F0383 Hippuritidae Gray, 1848 Gray, 1848 @ @ @
Histioteuthidae F0137 Histioteuthidae Verrill, 1881  Verrill, 1881  @ @ @
Hoffmannolidae F1471 Hoffmannolidae Starobogatov, 1976 Starobogatov, 1976 Onchidiidae F0203
Holcodiscidae F2113 @ @ @ @ @
Holcolytoceratidae F1704 @ @ Lytoceratidae @
Hologyridae F1717 @ @ Neritopsidae @
Holopeidae F0462 Holopeidae Cossmann, 1908 Cossmann, 1908 @ @ @
Holopellidae F1703 @ @ Loxonematidae @
Holospiridae F1224 Holospiridae Pilsbry, 1946 Pilsbry, 1946 @ @ @
Holzapfeloceratidae F1748 @ @ Sobolewiidae @
Homoceratidae F2371 @ @ @ @ @
Homoctenidae F1927 @ @ @ @ @
Hoplitidae F2098 @ @ @ @ @
Horaiclavidae F1225 Horaiclavidae Bouchet, Kantor, Sysoev & Puillandre, 2011 Bouchet, Kantor, Sysoev & Puillandre, 2011 @ @ @
Horiopleuridae F1789 @ @ @ @ @
Hormotomidae F1472 Hormotomidae Wenz, 1938 Wenz, 1938 Murchisoniidae F0476
Huananoceratidae F2210 @ @ @ @ @
Humboldtianidae F1226 Humboldtianidae Pilsbry, 1939 Pilsbry, 1939 @ @ @
Humeoceratidae F2079 @ @ @ @ @
Humphreyiidae F1022 Humphreyiidae Gray, 1858 Gray, 1858 @ @ @
Hunanopectinidae F0818 Hunanopectinidae Yin Hong-fu, 1985 Yin Hong-fu, 1985 @ @ @
Hungaritidae F2310 @ @ @ @ @
Huroniidae F2080 @ @ @ @ @
Huxleyidae F1705 @ @ Manzanellidae @
Huxleyiidae F1081 Huxleyiidae Scarlato & Starobogatov, 1971 Scarlato & Starobogatov, 1971 @ @ @
Hyalaeidae F1473 Hyalaeidae Rafinesque, 1815 Rafinesque, 1815 Cavoliniidae F0051
Hyalidae F1474 Hyalidae Golikov & Starobogatov, 1975 Golikov & Starobogatov, 1975 Iravadiidae F0142
Hyalogyrinidae F0138 Hyalogyrinidae Warén & Bouchet, 1993  Warén & Bouchet, 1993  @ @ @
Hyattoceratidae F2364 @ @ @ @ @
Hydatinidae F0336 Hydatinidae Pilsbry, 1895  Pilsbry, 1895  Aplustridae F0327
Hydrobiidae F0139 Hydrobiidae Stimpson, 1865  Stimpson, 1865  @ @ @
Hydrocenidae F0463 Hydrocenidae Troschel, 1857 Troschel, 1857 @ @ @
Hydrococcidae F0566 Hydrococcidae Thiele, 1928  Thiele, 1928  @ @ @
Hydromylidae F0140 Hydromylidae Pruvot-Fol, 1942 (1862)  Pruvot-Fol, 1942 (1862)  @ @ @
Hygromiidae F0706 Hygromiidae Tryon, 1866  Tryon, 1866  @ @ @
Hypseloconidae F1950 @ @ @ @ @
Hypselostomatidae F1661 Hypselostomatidae Zilch, 1959 Zilch, 1959 @ @ @
Hyriidae F0719 Hyriidae Swainson, 1840  Swainson, 1840  @ @ @
Ianthinidae F1475 @ @ Janthinidae F0144
Icanotiidae F0384 Icanotiidae Casey, 1961 Casey, 1961 @ @ @
Icarinae F1476 Icarinae Gray, 1847 Gray, 1847 Oxynoidae F0209
Ichthyosarcolitidae F0770 Ichthyosarcolitidae Douvillé, 1887 Douvillé, 1887 @ @ @
Ichtyosarcolidae F1792 @ @ @ @ @
Idioctopodidae F0523 Idioctopodidae Taki, 1962  Taki, 1962  Idioctopodidae F0523
Idiosepiidae F0141 Idiosepiidae Appellöf, 1898  Appellöf, 1898  @ @ @
Iduliidae F0622 Iduliidae Iredale & O'Donoghue, 1923  Iredale & O'Donoghue, 1923  Dotidae F0096
Igarkiellidae F1837 @ @ @ @ @
Ilbiidae F1227 Ilbiidae Burn, 1963 Burn, 1963 @ @ @
Ildicidae F0337 Ildicidae Burn, 1963  Burn, 1963  Runcinidae F0263
Imeroherpiidae F0537 Imeroherpiidae Salvini-Plawen, 1978 Salvini-Plawen, 1978 @ @ @
Imitoceratidae F2398 @ @ @ @ @
Imoglobidae F0880 Imoglobidae Nützel, Erwin & Mapes, 2000 Nützel, Erwin & Mapes, 2000 @ @ @
Inoceramidae F0385 Inoceramidae Giebel, 1852  Giebel, 1852  @ @ @
Intejoceratidae F2055 @ @ @ @ @
Intihuarellidae F0757 Intihuarellidae Sánchez, 2003 Sánchez, 2003 @ @ @
Intoceratidae F2343 @ @ @ @ @
Inyoitidae F2287 @ @ @ @ @
Iotrigoniidae F1079 Iotrigoniidae Saveliev, 1958 Saveliev, 1958 @ @ @
Iravadiidae F0142 Iravadiidae Thiele, 1928  Thiele, 1928  @ @ @
Iridinidae F1110 Iridinidae Swainson, 1840 Swainson, 1840 @ @ @
Ischnochitonidae F0143 Ischnochitonidae Dall, 1889  Dall, 1889  @ @ @
Ischnoptygmatidae F0926 Ischnoptygmatidae Erwin, 1988 Erwin, 1988 @ @ @
Ischyriniidae F1855 @ @ @ @ @
Ischyrodontidae F0725 Ischyrodontidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Isculitidae F2235 @ @ @ @ @
Isoarcidae F0386 Isoarcidae Keen, 1969 Keen, 1969 @ @ @
Isocyprinidae F0943 Isocyprinidae R. N. Gardner, 2005 R. N. Gardner, 2005 @ @ @
Isognomonidae F0338 Isognomonidae Woodring, 1925 (1828)  Woodring, 1925 (1828)  Pteriidae F0254
Isolimeidae F1779 @ @ @ @ @
Isospiridae F0741 Isospiridae Wangberg-Eriksson, 1964 Wangberg-Eriksson, 1964 @ @ @
Itieriidae F2570 @ @ @ @ @
Janacekiiinae F1813 @ @ @ @ @
Janellidae F1477 Janellidae Gray, 1853 Gray, 1853 Athoracophoridae F0687
Janolidae F1478 Janolidae Pruvot-Fol, 1933 Pruvot-Fol, 1933 Proctonotidae F1280
Janthinidae F0144 Janthinidae Lamarck, 1822  Lamarck, 1822  @ @ @
Japonitidae F2260 @ @ @ @ @
Jenseneriidae F1228 Jenseneriidae Ortea & Moro, 2015 Ortea & Moro, 2015 @ @ @
Joannitidae F2251 @ @ @ @ @
Johnwyattiidae F0730 Johnwyattiidae Serna, 1979 Serna, 1979 @ @ @
Jouaniceratidae F1718 @ @ Nostoceratidae @
Joubiniteuthidae F0145 Joubiniteuthidae Naef, 1922  Naef, 1922  @ @ @
Jovellaniidae F2515 @ @ @ @ @
Juliidae F0146 Juliidae E. A. Smith, 1885  E. A. Smith, 1885  @ @ @
Juraphyllitidae F2403 @ @ @ @ @
Juvavitidae F2297 @ @ @ @ @
Kalaenidae F2022 @ @ @ @ @
Kalenteridae F0823 Kalenteridae Marwick, 1953 Marwick, 1953 @ @ @
Karagandoceratidae F2329 @ @ @ @ @
Karoceratidae F2509 @ @ @ @ @
Kashmiritidae F2216 @ @ @ @ @
Katharinidae F0960 Katharinidae Jakovleva, 1952 Jakovleva, 1952 @ @ @
Kelaenidae F2495 @ @ @ @ @
Kelliellidae F0147 Kelliellidae Fischer, 1887  Fischer, 1887  @ @ @
Kelliidae F0148 Kelliidae Forbes & Hanley, 1848 Forbes & Hanley, 1848 @ @ @
Kentrodorididae F0619 Kentrodorididae Bergh, 1891  Bergh, 1891  Discodorididae F0093
Khairkhaniidae F1916 @ @ @ @ @
Khvalynitidae F2283 @ @ @ @ @
Kinerkaellinae F1861 @ @ @ @ @
Kionoceratidae F1967 @ @ @ @ @
Kirengellidae F1945 @ @ @ @ @
Kirsoceratidae F2327 @ @ @ @ @
Kittlidiscidae F0464 Kittlidiscidae Cox, 1960 Cox, 1960 @ @ @
Klamathitidae F2258 @ @ @ @ @
Knemiceratidae F2143 @ @ @ @ @
Knightitidae F1894 @ @ @ @ @
Kochiidae F0387 Kochiidae Frech, 1891 Frech, 1891 @ @ @
Koenenitidae F2429 @ @ @ @ @
Kolhymamnicolidae F1479 Kolhymamnicolidae Starobogatov, 1983 Starobogatov, 1983 Amnicolidae F1134
Kolymiidae F0822 Kolymiidae Kuznetsov, 1973 Kuznetsov, 1973 @ @ @
Konduriidae F1229 Konduriidae Sánchez, 2007 Sánchez, 2007 @ @ @
Koninckioceratidae F2460 @ @ @ @ @
Kosmoceratidae F2134 @ @ @ @ @
Kosmoclymeniidae F2196 @ @ @ @ @
Kossmaticeratidae F2093 @ @ @ @ @
Kozhimitidae F2340 @ @ @ @ @
Kuskokwimiidae F1230 Kuskokwimiidae Frýda & Blodgett, 2001 Frýda & Blodgett, 2001 @ @ @
Labeceratidae F2182 @ @ @ @ @
Lacunidae F1480 Lacunidae Gray, 1857 Gray, 1857 Littorinidae F0161
Ladamarekiidae F1959 @ @ @ @ @
Ladinulidae F0777 Ladinulidae Bandel, 1992 Bandel, 1992 @ @ @
Laevidentaliidae F0149 Laevidentaliidae Palmer, 1974  Palmer, 1974  @ @ @
Laevipilinidae F0549 Laevipilinidae Moskalev, Starobogatov & Filatova, 1983  Moskalev, Starobogatov & Filatova, 1983  Neopilinidae F0525
Laevitrigoniidae F1080 Laevitrigoniidae Saveliev, 1958 Saveliev, 1958 @ @ @
Laginiopsidae F0608 Laginiopsidae Pruvot-Fol, 1922  Pruvot-Fol, 1922  @ @ @
Lagocheilidae F1481 Lagocheilidae Stoliczka, 1872 Stoliczka, 1872 @ @ @
Lahillidae F1872 @ @ @ @ @
Lambeoceratidae F2485 @ @ @ @ @
Lamellariidae F0584 Lamellariidae d'Orbigny, 1841  d'Orbigny, 1841  Velutinidae F0317
Lamellidorididae F1482 Lamellidorididae Pruvot-Fol, 1933 Pruvot-Fol, 1933 Onchidorididae F0204
Lamelliphoridae F0946 Lamelliphoridae Korobkov, 1960 Korobkov, 1960 @ @ @
Lamellodontidae F1875 @ @ @ @ @
Lamellorthoceratidae F1984 @ @ @ @ @
Lamellotidae F2546 @ @ @ @ @
Lametilidae F0715 Lametilidae Allen & Sanders, 1973  Allen & Sanders, 1973  @ @ @
Lampadiidae F1483 Lampadiidae Winckworth, 1945 Winckworth, 1945 Pleurodontidae F1273
Lampusiidae F1484 Lampusiidae Newton, 1891 Newton, 1891 Ranellidae F0258
Lanascalidae F0778 Lanascalidae Bandel, 1992 Bandel, 1992 @ @ @
Lancedelliidae F1910 @ @ @ @ @
Lanceolitidae F2288 @ @ @ @ @
Laomidae F1485 Laomidae Suter, 1913 Suter, 1913 Punctidae F0680
Laonidae F1231 Laonidae Pruvot-Fol, 1954 Pruvot-Fol, 1954 @ @ @
Larocheidae F1232 Larocheidae Finlay, 1927 Finlay, 1927 @ @ @
Lasaeidae F0150 Lasaeidae Gray, 1842  Gray, 1842  @ @ @
Latanarcestidae F2410 @ @ @ @ @
Laternulidae F0151 Laternulidae Hedley, 1918 (1840)  Hedley, 1918 (1840)  @ @ @
Latiidae F0642 Latiidae Hutton, 1882  Hutton, 1882  @ @ @
Latouchellidae F1681 @ @ Coreospiridae @
Laubellidae F0465 Laubellidae Cox, 1960 Cox, 1960 @ @ @
Laubierinidae F0152 Laubierinidae Warén & Bouchet, 1990  Warén & Bouchet, 1990  @ @ @
Lauriidae F1233 Lauriidae Steenberg, 1925 Steenberg, 1925 @ @ @
Lavigeriidae F1486 Lavigeriidae Thiele, 1925 Thiele, 1925 Paludomidae F0781
Lavignonidae F1073 Lavignonidae Récluz, 1869 Récluz, 1869 @ @ @
Lecanitidae F2302 @ @ @ @ @
Lechritrochoceratidae F2061 @ @ @ @ @
Ledidae F1018 Ledidae Gray, 1854 Gray, 1854 @ @ @
Leiopectinidae F1862 @ @ @ @ @
Lemindidae F0625 Lemindidae Griffiths, 1985 Griffiths, 1985 Charcotiidae F0629
Lenticeratidae F2446 @ @ @ @ @
Lepetellidae F0466 Lepetellidae Dall, 1882  Dall, 1882  @ @ @
Lepetidae F0153 Lepetidae Gray, 1850  Gray, 1850  @ @ @
Lepetodrilidae F0154 Lepetodrilidae McLean, 1988  McLean, 1988  @ @ @
Lepetopsidae F0729 Lepetopsidae McLean, 1990 McLean, 1990 @ @ @
Lepidochitonidae F0961 Lepidochitonidae Iredale, 1914 Iredale, 1914 @ @ @
Lepidomeniidae F0467 Lepidomeniidae Pruvot, 1902  Pruvot, 1902  @ @ @
Lepidopleuridae F0468 Lepidopleuridae Pilsbry, 1892  Pilsbry, 1892  Leptochitonidae F0156
Lepidoteuthidae F0155 Lepidoteuthidae Naef, 1912  Naef, 1912  @ @ @
Leptochitonidae F0156 Leptochitonidae Dall, 1889  Dall, 1889  @ @ @
Leptochondriidae F1670 @ @ Asoellinae @
Leptonidae F0388 Leptonidae Gray, 1847  Gray, 1847  Lasaeidae F0150
Leptotheuthidae F2020 @ @ @ @ @
Lesueurillidae F0806 Lesueurillidae P. J. Wagner, 2002 P. J. Wagner, 2002 @ @ @
Leviathaniidae F0827 Leviathaniidae Harzhauser & Schneider, 2014 Harzhauser & Schneider, 2014 @ @ @
Leymeriellidae F2147 @ @ @ @ @
Liaoningiidae F1123 Liaoningiidae Yu & Dong, 1993 Yu & Dong, 1993 @ @ @
Libycoceratidae F1750 @ @ Sphenodiscidae @
Liljevallospiridae F1674 @ @ Bellerophontidae @
Limacidae F0699 Limacidae Batsch, 1789 Batsch, 1789 @ @ @
Limaciidae F1487 Limaciidae Winckworth, 1951 Winckworth, 1951 Polyceridae F0243
Limacinidae F0157 Limacinidae Gray, 1840  Gray, 1840  @ @ @
Limapontiidae F1234 Limapontiidae Gray, 1847 Gray, 1847 @ @ @
Limarcoidae F1724 @ @ Philobryidae @
Limatulidae F1039 Limatulidae Kasum-Zade, 2003 Kasum-Zade, 2003 @ @ @
Limatulinidae F0762 Limatulinidae Waterhouse, 2001 Waterhouse, 2001 @ @ @
Limidae F0158 Limidae Rafinesque, 1815  Rafinesque, 1815  @ @ @
Limifossoridae F0339 Limifossoridae Salvini-Plawen, 1970  Salvini-Plawen, 1970  @ @ @
Limipectinidae F0819 Limipectinidae Newell & Boyd, 1990 Newell & Boyd, 1990 @ @ @
Limnocyrenidae F2550 @ @ @ @ @
Limnoreidae F1488 Limnoreidae B. Dybowski, 1911 B. Dybowski, 1911 Amnicolidae F1134
Limnotrochidae F1489 Limnotrochidae Ancey, 1906 Ancey, 1906 Paludomidae F0781
Limopsidae F0159 Limopsidae Dall, 1895  Dall, 1895  @ @ @
Lioteuthididae F2039 @ @ @ @ @
Liotiidae F1235 Liotiidae Gray, 1850 Gray, 1850 @ @ @
Lipanellidae F1236 Lipanellidae Sánchez, 2005 Sánchez, 2005 @ @ @
Liparoceratidae F2112 @ @ @ @ @
Lippistidae F1490 Lippistidae Iredale, 1924 Iredale, 1924 Capulidae F0045
Liriolidae F1491 Liriolidae Golikov & Kussakin, 1978 Golikov & Kussakin, 1978 Siphonariidae F0273
Liroceratidae F2452 @ @ @ @ @
Lironobidae F0903 Lironobidae Ponder, 1967 Ponder, 1967 @ @ @
Lissoceratidae F2117 @ @ @ @ @
Lithiotidae F2545 @ @ @ @ @
Lithoglyphidae F0941 Lithoglyphidae Tryon, 1866 Tryon, 1866 @ @ @
Litiopidae F0160 Litiopidae Gray, 1847  Gray, 1847  @ @ @
Litogyroceratidae F2469 @ @ @ @ @
Littorinidae F0161 Littorinidae Children, 1834  Children, 1834  @ @ @
Lituitidae F1986 @ @ @ @ @
Liuchengoceratidae F2219 @ @ @ @ @
Livorniellidae F1492 Livorniellidae Rankin, 1979 Rankin, 1979 Parhedylidae F1266
Lobiferidae F1493 Lobiferidae Pruvot-Fol, 1947 Pruvot-Fol, 1947 Caliphyllidae F0604
Lobigeridae F1494 Lobigeridae Pruvot-Fol, 1954 Pruvot-Fol, 1954 Oxynoidae F0209
Lobitidae F2262 @ @ @ @ @
Loliginidae F0162 Loliginidae Lesueur, 1821  Lesueur, 1821  @ @ @
Loligopsidae F0962 Loligopsidae Gray, 1849 Gray, 1849 @ @ @
Loligosepiidae F2025 @ @ @ @ @
Lomanotidae F0623 Lomanotidae Bergh, 1890  Bergh, 1890  @ @ @
Longobarditidae F2309 @ @ @ @ @
Lophocercinae F1495 Lophocercinae Gray, 1847 Gray, 1847 Oxynoidae F0209
Lophospiridae F0469 Lophospiridae Wenz, 1938 Wenz, 1938 @ @ @
Loricidae F0963 Loricidae Iredale & Hull, 1923 Iredale & Hull, 1923 @ @ @
Lotoriidae F1496 Lotoriidae Harris, 1897 Harris, 1897 Ranellidae F0258
Lottidae error Lottidae [sic] = Lottiidae @ Lottiidae F0163
Lottiidae F0163 Lottiidae Gray, 1840  Gray, 1840  @ @ @
Lowoceratidae F1767 @ @ @ @ @
Loxonematidae F0470 Loxonematidae Koken, 1889 Koken, 1889 @ @ @
Luciellidae F0471 Luciellidae Knight, 1956 Knight, 1956 @ @ @
Lucinidae F0164 Lucinidae J. Fleming, 1828 J. Fleming, 1828 @ @ @
Lunulacardiidae F0389 Lunulacardiidae P. Fischer, 1887 P. Fischer, 1887 @ @ @
Lunulicardiidae F1865 @ @ @ @ @
Lutetidae F1804 @ @ @ @ @
Lutetiidae F0811 Lutetiidae Zhgenti, 1976 Zhgenti, 1976 @ @ @
Luteuthidae F0964 Luteuthidae O'Shea, 1999 O'Shea, 1999 @ @ @
Lycoteuthidae F0524 Lycoteuthidae Pfeffer, 1908  Pfeffer, 1908  @ @ @
Lyelliceratidae F2151 @ @ @ @ @
Lymnaeidae F0165 Lymnaeidae Rafinesque, 1815 Rafinesque, 1815 @ @ @
Lymnocardiidae F1806 @ @ @ @ @
Lyocyclidae F1237 Lyocyclidae Thiele, 1925 Thiele, 1925 @ @ @
Lyonsiellidae F1008 Lyonsiellidae Dall, 1895 Dall, 1895 @ @ @
Lyonsiidae F0166 Lyonsiidae P. Fischer, 1887  P. Fischer, 1887  @ @ @
Lyrodesmatidae F0390 Lyrodesmatidae P. Fischer, 1886 P. Fischer, 1886 @ @ @
Lysinoidae F1238 Lysinoidae Hoffmann, 1928 Hoffmann, 1928 @ @ @
Lytoceratidae F2131 @ @ @ @ @
Macellomeniidae F0533 Macellomeniidae Salvini-Plawen, 1978  Salvini-Plawen, 1978  @ @ @
Macgillivrayiidae F1498 Macgillivrayiidae H. Adams & A. Adams, 1854 H. Adams & A. Adams, 1854 Tonnidae F0293
Macluritidae F0472 Macluritidae Carpenter, 1861 Carpenter, 1861 @ @ @
Macrocephalitidae F2135 @ @ @ @ @
Macrocheilidae F1754 @ @ Subulitidae @
Macrocyclidae F0675 Macrocyclidae Thiele, 1926 Thiele, 1926 @ @ @
Macroscaphitidae F2441 @ @ @ @ @
Mactridae F0167 Mactridae Lamarck, 1809  Lamarck, 1809  @ @ @
Mactromyidae F0391 Mactromyidae Cox, 1929 Cox, 1929 @ @ @
Madrellidae F0168 Madrellidae Preston, 1911  Preston, 1911  @ @ @
Maenioceratidae F2417 @ @ @ @ @
Magilidae F1499 Magilidae Thiele, 1925 Thiele, 1925 Muricidae F0180
Magnapinnidae F0965 Magnapinnidae Vecchione & Young, 1998 Vecchione & Young, 1998 @ @ @
Maikhanellidae F0966 Maikhanellidae Missarzhevsky, 1989 Missarzhevsky, 1989 @ @ @
Maizaniidae F0559 Maizaniidae Tielecke, 1940  Tielecke, 1940  @ @ @
Makarenkoplacidae F0967 Makarenkoplacidae Sirenko & Dell'Angelo, 2015 Sirenko & Dell'Angelo, 2015 @ @ @
Malleidae F0169 Malleidae Lamarck, 1818  Lamarck, 1818  @ @ @
Malletidae F1500 Malletidae H. Adams & A. Adams, 1858 H. Adams & A. Adams, 1858 Malletiidae F0170
Malletiidae F0170 Malletiidae H. Adams & A. Adams, 1858 (1846) H. Adams & A. Adams, 1858 (1846) @ @ @
Manchuroceratidae F2074 @ @ @ @ @
Mancohedylidae F1501 Mancohedylidae Rankin, 1979 Rankin, 1979 Parhedylidae F1266
Mandaloceratidae F1769 @ @ @ @ @
Mandeliidae F1239 Mandeliidae Valdés & Gosliner, 1999 Valdés & Gosliner, 1999 @ @ @
Mangeliidae F1240 Mangeliidae P. Fischer, 1883 P. Fischer, 1883 @ @ @
Mangonuidae F1502 Mangonuidae Iredale, 1936 Iredale, 1936 Architectonicidae F0020
Mangonuiidae F1503 Mangonuiidae Iredale, 1936 Iredale, 1936 Architectonicidae F0020
Maningrididae F1241 Maningrididae Golding, Ponder & Byrne, 2007 Golding, Ponder & Byrne, 2007 @ @ @
Manticulidae F0809 Manticulidae Waterhouse, 2008 Waterhouse, 2008 @ @ @
Manzanellidae F0392 Manzanellidae Chronic, 1952 Chronic, 1952 @ @ @
Maoraxidae F0779 Maoraxidae Bandel, Gründel & Maxwell, 2000 Bandel, Gründel & Maxwell, 2000 @ @ @
Marathonitidae F2363 @ @ @ @ @
Margaritanidae F1067 Margaritanidae Ortmann, 1910 Ortmann, 1910 @ @ @
Margaritariidae F0393 Margaritariidae Vokes, 1964 Vokes, 1964 @ @ @
Margaritidae F0991 Margaritidae Blainville, 1824 Blainville, 1824 @ @ @
Margaritiferidae F0394 Margaritiferidae Haas, 1940  Haas, 1940  @ @ @
Marginellidae F0171 Marginellidae Fleming, 1828  Fleming, 1828  @ @ @
Mastigophoridae F2018 @ @ @ @ @
Mastigoteuthidae F0172 Mastigoteuthidae Verrill, 1881  Verrill, 1881  @ @ @
Matheriidae F0726 Matheriidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Mathildidae F0173 Mathildidae Dall, 1889  Dall, 1889  @ @ @
Mattheviidae F2535 @ @ @ @ @
Maturifusidae F1504 Maturifusidae Gründel, 2001 Gründel, 2001 Pseudotritoniidae F0732
Maxigoniatitidae F2336 @ @ @ @ @
Maximitidae F2334 @ @ @ @ @
Mecynodontidae F0395 Mecynodontidae Haffer, 1959 Haffer, 1959 @ @ @
Medlicottiidae F2434 @ @ @ @ @
Meekoceratidae F1730 @ @ Prionitidae @
Meekospiridae F0473 Meekospiridae Knight, 1956 Knight, 1956 @ @ @
Megacrioceratidae F2443 @ @ @ @ @
Megadesmidae F1876 @ @ @ @ @
Megalodontidae F0396 Megalodontidae Morris & Lycett, 1853 Morris & Lycett, 1853 @ @ @
Megalomastomatidae F0796 Megalomastomatidae Blanford, 1864 Blanford, 1864 @ @ @
Megaphyllitidae F2263 @ @ @ @ @
Megaspiridae F0662 Megaspiridae Pilsbry, 1904  Pilsbry, 1904  @ @ @
Megateuthididae F2004 @ @ @ @ @
Megatrigoniidae F1113 Megatrigoniidae van Hoepen, 1929 van Hoepen, 1929 @ @ @
Megatrigonioidae F1775 @ @ @ @ @
Megomphicidae F1660 Megomphicidae H.B. Baker, 1930 H.B. Baker, 1930 @ @ @
Meiomeniidae F0534 Meiomeniidae Salvini-Plawen, 1985  Salvini-Plawen, 1985  @ @ @
Melagathiceratidae F2245 @ @ @ @ @
Melampidae F1505 Melampidae Stimpson, 1851 Stimpson, 1851 Ellobiidae F0101
Melanatriidae F1506 Melanatriidae Thiele, 1921 Thiele, 1921 Pachychilidae F1260
Melanellidae F1507 Melanellidae Iredale, 1915 Iredale, 1915 Eulimidae F0105
Melaniidae F1508 Melaniidae Children, 1823 Children, 1823 Thiaridae F0287
Melanodrymiidae F1242 Melanodrymiidae Salvini-Plawen & Steiner, 1995 Salvini-Plawen & Steiner, 1995 @ @ @
Melanoididae F1509 Melanoididae Ihering, 1909 Ihering, 1909 Thiaridae F0287
Melanopsidae F0573 Melanopsidae H. Adams & A. Adams, 1854  H. Adams & A. Adams, 1854  @ @ @
Melapiidae F1510 Melapiidae Kantor, 1991 Kantor, 1991 Strepsiduridae F0850
Melarhaphidae F1511 Melarhaphidae Starobogatov & Sitnikova, 1983 Starobogatov & Sitnikova, 1983 Littorinidae F0161
Melatomidae F1512 Melatomidae Gill, 1871 Gill, 1871 Clavatulidae F1176
Melibidae F1513 Melibidae Forbes, 1844 Forbes, 1844 Tethydidae F0286
Melinidae F1059 Melinidae Meek & Hayden, 1865 Meek & Hayden, 1865 @ @ @
Mellopegmidae F1751 @ @ Stenothecidae @
Melongenidae F0174 Melongenidae Gill, 1871 (1854)  Gill, 1871 (1854)  @ @ @
Merriidae F1514 Merriidae Hedley, 1918 Hedley, 1918 Vanikoridae F0316
Mesoceratidae F1768 @ @ @ @ @
Mesocochliopidae F0904 Mesocochliopidae Yu, 1987 Yu, 1987 @ @ @
Mesodesmatidae F0175 Mesodesmatidae Gray, 1840  Gray, 1840  @ @ @
Mesohibolitidae F2003 @ @ @ @ @
Metacerithiidae F0780 Metacerithiidae Cossmann, 1906 Cossmann, 1906 @ @ @
Metalegoceratidae F2381 @ @ @ @ @
Metasibiritidae F2295 @ @ @ @ @
Metoicoceratidae F1663 @ @ Acanthoceratidae @
Metoptomatidae F0474 Metoptomatidae Wenz, 1938 Wenz, 1938 @ @ @
Metriomphalidae F0932 Metriomphalidae Gründel, Keupp & Lang, 2017 Gründel, Keupp & Lang, 2017 @ @ @
Michelinoceratidae F1975 @ @ @ @ @
Micractaeonidae F1243 Micractaeonidae Schileyko, 1999 Schileyko, 1999 @ @ @
Microceratidae F1689 @ @ Eoderoceratidae @
Microdomatidae F0475 Microdomatidae Wenz, 1938 Wenz, 1938 @ @ @
Microhedylidae F0598 Microhedylidae Odhner, 1937  Odhner, 1937  Parhedylidae F1266
Micromelaniidae F1823 @ @ @ @ @
Micropilinidae F1831 @ @ @ @ @
Milacidae F0698 Parmacellidae P. Fischer, 1856 (1855)  P. Fischer, 1856 (1855)  @ @ @
Mimagoniatitidae F2411 @ @ @ @ @
Mimoceratidae F2413 @ @ @ @ @
Mimosphinctidae F2415 @ @ @ @ @
Minicheviellidae F1515 Minicheviellidae Starobogatov, 1983 Starobogatov, 1983 Asperspinidae F1148
Misurinellidae F1244 Misurinellidae Bandel, 1994 Bandel, 1994 @ @ @
Mitridae F0176 Mitridae Swainson, 1829  Swainson, 1829  @ @ @
Mitrolumnidae F1516 Mitrolumnidae Sacco, 1904 Sacco, 1904 Mitromorphidae F1245
Mitromorphidae F1245 Mitromorphidae Casey, 1904 Casey, 1904 @ @ @
Mnestiidae F1246 Mnestiidae Oskars, Bouchet & Malaquias, 2015 Oskars, Bouchet & Malaquias, 2015 @ @ @
Modiolarcidae F1019 Modiolarcidae Gray, 1854 Gray, 1854 @ @ @
Modiolidae F1014 Modiolidae G. Termier & H. Termier, 1950 G. Termier & H. Termier, 1950 @ @ @
Modiolopsidae F0841 Modiolopsidae P. Fischer, 1886 P. Fischer, 1886 @ @ @
Modiomorphidae F0397 Modiomorphidae S. A. Miller, 1877 S. A. Miller, 1877 @ @ @
Modulidae F0177 Modulidae P. Fischer, 1884  P. Fischer, 1884  @ @ @
Moitessieriidae F0942 Moitessieriidae Bourguignat, 1863 Bourguignat, 1863 @ @ @
Monadeniidae F1247 Monadeniidae H. Nordsieck, 1987 H. Nordsieck, 1987 @ @ @
Mongoloceratidae F2392 @ @ @ @ @
Monoplacophoridae F0548 Monoplacophoridae Moskalev, Starobogatov & Filatova, 1983 Moskalev, Starobogatov & Filatova, 1983 Neopilinidae F0525
Monopleuridae F0398 Monopleuridae Munier-Chalmas, 1873 Munier-Chalmas, 1873 @ @ @
Monopteriidae F0399 Monopteriidae Newell, 1969 Newell, 1969 @ @ @
Monotidae F0400 Monotidae P. Fischer, 1886 P. Fischer, 1886 @ @ @
Montacutidae F0178 Montacutidae W. Clark, 1855  W. Clark, 1855  @ @ @
Montanariidae F0751 Montanariidae Scarlato & Starobogatov, 1979 Scarlato & Starobogatov, 1979 @ @ @
Mooreoceratidae F1738 @ @ Pseudorthoceratidae @
Mopalidae error Mopalidae [sic] = Mopaliidae @ @ @ @
Mopaliidae F0179 Mopaliidae Dall, 1889  Dall, 1889  @ @ @
Morphoceratidae F2164 @ @ @ @ @
Mosquoceratidae F2461 @ @