Classification of Marquet 1997
Superor. †Caenogastropoda Cox 1959
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Or. Neotaenioglossa Haller 1882
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Subor. †Discopoda Fischer 1884
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Superfm. Cerithioidea Férussac 1819
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Fm. Potamididae Adams and Adams 1854 [horn snail]
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Subfm. Potamidinae Adams and Adams 1854 [horn snail]
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G. †Potamides Brongniart 1810
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Subg. †Potamides (Ptychopotamides) Sacco 1895
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†Potamides (Ptychopotamides) tricinctus Brocchi 1814
Fm. Turritellidae Lovén 1847 [turret shell]
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Subfm. Turritellinae Lovén 1847
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G. Turritella Lamarck 1799 [turret shell]
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Subg. Turritella (Haustator) Monfort 1810
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†Turritella (Haustator) incrassata Sowerby 1814
†Turritella (Haustator) vanderfeeni Brakman 1937
Superfm. Littorinoidea Gray 1840 [periwinkle]
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Fm. Littorinidae Gray 1840 [periwinkle]
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Superfm. Rissoidea Gray 1847
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Fm. Caecidae Gray 1850
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Subfm. Caecinae Gray 1850
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G. Caecum Fleming 1813
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†Caecum armoricum de Folin 1869
Caecum glabrum Montagu 1803
†Caecum mammillatum Wood 1842
Fm. Iravadiidae Thiele 1928
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Fm. Rissoidae Gray 1847
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Subfm. †Rissoinae Gray 1847
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G. Alvania Risso 1826
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Subg. Alvania (Alvania) Risso 1826
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Alvania (Alvania) beani Thorpe 1957
†Alvania (Alvania) simonsi Marquet 1997
†Alvania (Alvania) whitleyi Bell 1898
G. Obtusella Cossmann 1921
G. Peringiella Monterosato 1878
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†Peringiella crassilabris Marquet 1997
†Peringiella denticulata Ponder 1985
G. Rissoa Fréminville 1814
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Subg. Rissoa (Turboella) Leach in Gray 1847
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†Rissoa (Turboella) curticostata Wood 1848
†Rissoa (Turboella) obsoleta Wood 1842
Subg. Trivia (Sulcotrivia) Schilder 1933
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†Trivia (Sulcotrivia) testudinella Wood 1842
Subg. Erato (Eratopsis) Hörnes and Auinger 1880
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†Erato (Eratopsis) pernana Sacco 1894
Subg. Trivia (Trivia) Broderip 1837
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†Trivia (Trivia) coccinelloides de Sowerby 1823