Classification of Olsson and Harbison 1953
G. Caecum Fleming 1813
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G. Polinices Monfort 1810 [moon snail]
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G. Cantharus Röding 1798
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Subg. †Cantharus (Pseudosalpinx) Olsson and Harbison 1953
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†Cantharus (Pseudosalpinx) floridana Conrad 1869
Subg. †Busycon (Echinofulgur) Olsson and Harbison 1953
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†Busycon (Echinofulgur) echinatum Dall 1890
Fm. Acteocinidae
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G. Acteocina Gray 1847 [barrel-bubble]
G. Cylichnella Gabb 1873
G. †Sulcularia Dall 1921
G. Volvula Adams 1850
Fm. Astartidae d'Orbigny 1844
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Fm. Atyidae De Haan 1849
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Fm. Cancellariidae Gray 1853
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G. Cancellaria Lamarck 1799
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Subg. Cancellaria (Cancellaria) Lamarck 1799
Subg. Cancellaria (Massyla) Adams and Adams 1854
G. †Perplicaria Dall 1890
G. Trigonostoma Blainville 1827
Fm. Cardiidae Lamarck 1809 [cockle]
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Fm. Conidae Fleming 1822 [cone shell]
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G. Conus Linnaeus 1758
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Subg. †Conus (Contraconus) Olsson and Harbison 1953
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†Conus (Contraconus) adversarius Conrad 1840
Subg. Conus (Leptoconus) Swainson 1840
Fm. Fasciolariidae Gray 1853
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G. Fasciolaria Lamarck 1799 [tulip snail]
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Subg. Fasciolaria (Fasciolaria) Lamarck 1799
Subg. †Fasciolaria (Terebraspira) Conrad 1862
Subg. Fasciolaria (Triplofusus) Olsson and Harbison 1953
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Fasciolaria (Triplofusus) gigantea Kiener 1840
G. †Liochlamys Dall 1889
Fm. Marginellidae Fleming 1828 [margin shell]
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G. Cypraeolina Cerulli-Irelli 1911
G. Marginella Lamarck 1799
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Subg. †Marginella (Eburnospira) Olsson and Harbison 1953
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†Marginella (Eburnospira) eburneola Conrad 1834
Subg. Marginella (Egouana) Jousseaume 1875
Subg. Marginella (Eratoidea) Weinkauff 1879
Subg. Marginella (Volvarina) Hinds 1844
Fm. Mitridae Swainson 1831 [mitre shell]
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Fm. Olividae Latreille 1825 [olive snail]
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G. Oliva Bruguière 1789
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G. Olivella Swainson 1831
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Subg. †Olivella (Mansfieldella) Olsson and Harbison 1953
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†Olivella (Mansfieldella) pugilis Olsson and Harbison 1953
Subg. Olivella (Olivella) Swainson 1831
Fm. Ringiculidae Philippi 1853
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Fm. Terebridae Mörch 1852 [auger snail]
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G. Terebra Bruguière 1789
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Subg. Terebra (Strioterebrum) Sacco 1891
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Terebra (Strioterebrum) concava Say 1827
Terebra (Strioterebrum) dislocata Say 1822
Subg. Barbatia (Calloarca) Gray 1857
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†Barbatia (Calloarca) irregularis Dall 1898
Subg. Anadara (Anadara) Gray 1847
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†Anadara (Anadara) aequalitas Tucker and Wilson 1932
†Anadara (Anadara) campyla Dall 1898
Subg. Murex (Subpterynotus) Olsson and Harbison 1953
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†Murex (Subpterynotus) textilis Gabb 1873
Subg. †Olivella (Toroliva) Olsson and Harbison 1953
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†Olivella (Toroliva) goliath Olsson 1922
Fm. Busyconidae Wade 1917
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G. Melongena Schumacher 1817
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Subg. †Melongena (Rexmela) Olsson and Harbison 1953
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Melongena (Rexmela) corona Gmelin 1791
†Melongena (Rexmela) subcoronata Heilprin 1887
Subg. Ostrea (Crassostrea) Sacco 1897
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Ostrea (Crassostrea) virginica Gmelin 1791
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†Ostrea (Crassostrea) virginica labellensis Olsson and Harbison 1953
Subg. Macrocallista (Macrocallista) Meek 1876
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Macrocallista (Macrocallista) maculata Linnaeus 1758
Macrocallista (Macrocallista) nimbosa Solander 1786
Macrocallista (Macrocallista) nimbosa Solander 1786
Subg. Chlamys (Plagioctenium) Dall 1898
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†Chlamys (Plagioctenium) comparilis Tuomey and Holmes 1855
Subg. †Chione (Chione) von Mühlfield 1811
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Chione (Chione) cancellata Linnaeus 1767
†Chione (Chione) moristans Olsson and Harbison 1953
Subg. †Ostrea (Alectryonia) Fischer de Waldheim 1807
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†Ostrea (Alectryonia) sculpturata Conrad 1840
Subg. Teinostoma (Pseudorotella) Fischer 1857
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Teinostoma (Pseudorotella) altum Pilsbry 1953
Teinostoma (Pseudorotella) goniogyrus Pilsbry and McGinty 1945
Subg. Aspella (Aspella) Mörch 1877
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†Aspella (Aspella) engonata Dall 1892
†Aspella (Aspella) senex Dall 1903
Subg. Antigona (Ventricola) Römer 1867
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Antigona (Ventricola) rugatina Heilprin 1886
Subg. Strombina (Sincola) Olsson and Harbison 1953
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†Strombina (Sincola) sincola Olsson 1922