Classification of Roth and Hoedemakers 2005

Fm. †Diaphanidae Odhner 1914
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G. Diaphana Brown 1827
G. Toledonia Dall 1902
Fm. †Pseudococculinidae Hickman 1983
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G. Mesopelex Schepman 1908
Superfm. Pyramidelloidea Gray 1840
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Fm. †Tjaernoiidae Warén 1991
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G. †Tjaernoeia Warén and Bouchet 1988