Classification of Duerr 2004

Or. †Ptenoglossa Gray 1853
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Superfm. †Janthinoidea Lamarck 1810
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Fm. Epitoniidae Berry 1910 [wentletrap]
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G. Cirsotrema Mörch 1852
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Cirsotrema dalli Rehder 1945
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Invalid names: Cirsotrema (Cirsotremopsis) arcella Rehder 1945 [synonym]
Cirsotrema varicosa Lamarck 1822