Classification of Arnold 1903
G. Chlorostoma Swainson 1840
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Chlorostoma aureotinctum Forbes 1852
Chlorostoma brunnea Philippi 1849
G. Opalia Adams and Adams 1853
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Opalia anomala Stearns 1875
Opalia borealis Gould 1852
†Opalia varicostata Stearns 1875
G. Columbella Lamarck 1799
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Subg. Columbella (Aesopus) Gould 1860 [dovesnail]
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Columbella (Aesopus) chrysalloidea Carpenter 1863
G. Drillia Gray 1838
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Drillia inermis Reeve 1843
†Drillia johnsoni Arnold 1903
†Drillia renaudi Arnold 1903
Drillia torosa Gabb 1864
G. Eupleura Adams and Adams 1853
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G. Mitromorpha Carpenter 1865
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Mitromorpha filosa Carpenter 1864
Mitromorpha intermedia Arnold 1903
G. Murex Linnaeus 1758
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G. Purpura Bruguière 1789
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Purpura crispata Chemnitz 1795
Purpura saxicola Valenciennes 1846
G. Trophon Montfort 1810
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Subg. Trophon (Boreotrophon) Fischer 1884
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†Trophon (Boreotrophon) cerritensis Arnold 1903
Trophon (Boreotrophon) multicostatus Eschscholtz 1829
Trophon (Boreotrophon) pedroana Arnold 1903
Trophon (Boreotrophon) scalariformis Gould 1841
Trophon (Boreotrophon) stuarti Smith 1880
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†Trophon (Boreotrophon) stuarti praecursor Arnold 1903
†Trophon (Boreotrophon) tenuisculpta Carpenter 1866
Trophon (Boreotrophon) triangulatus Carpenter 1864
G. Eulima Risso 1826
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Eulima falcata Carpenter 1865
Eulima hastata Sowerby 1834
Eulima micans Carpenter 1864
G. Turbonilla Risso 1826
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Subg. Turbonilla (Lancea) Pease 1868
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Turbonilla (Lancea) aurantia Carpenter 1863
Turbonilla (Lancea) tridentata Carpenter 1865
Subg. Turbonilla (Pyrgiscus) Philippi 1841
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Turbonilla (Pyrgiscus) crebrifilata Carpenter 1865
Turbonilla (Pyrgiscus) laminata Carpenter 1864
Turbonilla (Pyrgiscus) subcuspidata Carpenter 1865
Subg. Turbonilla (Strioturbonilla) Sacco 1892
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Turbonilla (Strioturbonilla) muricata Carpenter 1856
Turbonilla (Strioturbonilla) similis Adams 1852
Turbonilla (Strioturbonilla) torquata Gould 1853
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G. Nucula Lamarck 1799
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Subg. Nucula (Acila) Adams and Adams 1858 [divaricate nutclam]
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Nucula (Acila) castrensis Hinds 1843
Subg. Nucula (Nucula) Lamarck 1799
G. Glycymeris Da Costa 1778
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†Glycymeris barbarensis Conrad 1856
Glycymeris septentrionalis Middendorf 1849
G. Modiolus Lamarck 1801
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Modiolus fornicatus Carpenter 1864
Modiolus rectus Conrad 1837
G. Pecten Müller 1776
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Subg. Pecten (Pecten) Müller 1776
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†Pecten (Pecten) bellus Conrad 1856
†Pecten (Pecten) dentatus Sowerby 1829
†Pecten (Pecten) stearnsii Dall 1878
G. Venericardia Lamarck 1801
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Venericardia barbarensis Stearns 1890
Venericardia ventricosa Gould 1850
Fm. Naticidae Guilding 1834 [moon snail]
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G. Polynices Monfort 1810 [moon snail]
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G. Leda Schumacher 1817
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Leda fossa Baird 1863
Leda hamata Carpenter 1864
Leda taphria Dall 1896
G. †Margarita Leach 1814
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Margarita optabilis Carpenter 1864
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†Margarita optabilis knechti Arnold 1903
†Margarita optabilis nodosa Arnold 1903
G. †Pleurotoma Lamarck 1800
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Subg. Pleurotoma (Borsonia) Bellardi 1839
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Pleurotoma (Borsonia) bartschi Arnold 1903
†Pleurotoma (Borsonia) dalli Arnold 1903
†Pleurotoma (Borsonia) hooveri Arnold 1903
Subg. Pleurotoma (Spirotropis) Sars 1878
G. †Fissuridea Swainson 1840
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Fissuridea aspera Rathke 1833
Fissuridea inaequalis Sowerby 1835
Fissuridea volcano Reeve 1849
Subg. Pecten (Chlamys) Röding 1798
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Pecten (Chlamys) hastatus Sowerby 1842
Pecten (Chlamys) hericeus Carpenter 1887
†Pecten (Chlamys) jordani Arnold 1903
†Pecten (Chlamys) opuntia Dall 1898
Subg. †Murex (Pterorhytis) Conrad 1862
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†Murex (Pterorhytis) monoceras Sowerby 1840
Subg. Pecten (Plagioctenium) Dall 1898
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†Pecten (Plagioctenium) newsomi Arnold 1903
Pecten (Plagioctenium) subventricosus Dall 1898
Pecten (Plagioctenium) ventricosus Sowerby 1842
Subg. Pecten (Patinopecten) Dall 1898
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Pecten (Patinopecten) caurinus Gould 1850
†Pecten (Patinopecten) expansus Dall 1879
Subg. Pododesmus (Monia) Gray 1850
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Pododesmus (Monia) macroschisma Deshayes 1839
G. Mangilia Loven 1846
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†Mangilia hooveri Arnold 1903
Mangilia interlirata Stearns 1872
†Mangilia oldroydi Arnold 1903
†Mangilia painei Arnold 1903
Subg. Cancellaria (Cancellaria) Lamarck 1799
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Cancellaria (Cancellaria) crawfordiana Dall 1891
†Cancellaria (Cancellaria) tritonidea Gabb 1866
Subg. Actaeon (Rictaxis) Dall 1871
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Actaeon (Rictaxis) punctocoelata Carpenter 1864
G. †Scala Humphrey
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Scala bellastriata Carpenter 1863
Scala crebricostata Carpenter 1863
Scala hemphilli Dall 1878
Scala hindsii Carpenter 1856
Scala indianorum Carpenter 1864
Scala tincta Carpenter 1864
Subg. Chlorostoma (Omphalius) Philippi 1847
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Chlorostoma (Omphalius) viridulum Gmelin 1791
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Chlorostoma (Omphalius) viridulum ligulatum Menke 1850
G. Monoceros Lamarck 1809
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Monoceros engonatum Conrad 1837
Monoceros lapilloides Conrad 1837
G. Ocinebra Leach in Gray 1847
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Ocinebra barbarensis Gabb 1865
Ocinebra interfossa Carpenter 1864
†Ocinebra keepi Arnold 1903
Ocinebra lurida Middendorff 1848
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Ocinebra lurida aspera Baird 1863
Ocinebra lurida cancellina Philippi 1845
†Ocinebra lurida cerritensis Arnold 1903
Ocinebra lurida munda Carpenter 1863
Ocinebra micheli Ford 1888
Ocinebra perita Hinds 1844
Subg. Astarte (Crassinella) Guppy 1874
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Astarte (Crassinella) branneri Arnold 1903
Subg. Odostomia (Amaura) Moller 1842
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Odostomia (Amaura) pupiformis Carpenter 1865
Subg. Pandora (Kennerlia) Carpenter 1864
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Pandora (Kennerlia) bicarinata Carpenter 1863
Pandora (Kennerlia) filosa Carpenter 1863
Subg. Pleurotoma (Spirotropsis) Sars 1878
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†Pleurotoma (Spirotropsis) smithi Arnold 1903