Classification of Beu 1978
Fm. Cymatiidae Iredale 1913
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Invalid names: Distorsioninae Kuroda et al. 1971 [empty]
Subfm. †Ranellinae Gray 1854
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G. Sassia Bellardi 1872
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Subg. †Sassia (Sassia) Bellardi 1872
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†Sassia (Sassia) marshalli Beu 1978
†Sassia (Sassia) nassariformis Sowerby 1902