Classification of Petit 1976
Fm. Cancellariidae Gray 1853
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G. †Admetula Cossmann 1889
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Admetula bayeri Petit 1976
†Admetula evulsa Solander 1766
Admetula vossi Petit 1976
G. Cancellaria Lamarck 1799
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Subg. Cancellaria (Bivetiella) Wenz 1943
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Cancellaria (Bivetiella) cancellata Linnaeus 1767
Cancellaria (Bivetiella) similis Sowerby 1833
Subg. Cancellaria (Sveltia) Jousseaume 1887
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Cancellaria (Sveltia) gladiator Petit 1976
†Cancellaria (Sveltia) varricosa Brocchi 1814
Cancellaria reticulata Emmon 1858
G. Olssonella Petit 1970
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†Olssonella panamica Petit 1976
Olssonella smithii Dall 1888
†Olssonella williamsi Petit 1976
G. †Trigonaphera Iredale 1936
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Trigonaphera vinnulum Iredale 1925
Trigonaphera withrowi Petit 1976
G. Trigonostoma Blainville 1827
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Subg. Trigonostoma (Ventrilia) Jousseaume 1887
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Trigonostoma (Ventrilia) bullatum Sowerby 1832
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Invalid names: Cancellaria dalli Anderson and Martin 1914 [synonym]
†Trigonostoma (Ventrilia) sacellum Petit 1976
Trigonostoma (Ventrilia) tenera Philippi 1848
Trigonostoma pellucida Perry 1811