Classification of Yin and McRoberts 2006
Fm. †Pergamidiidae Cox 1964
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G. †Krumbeckiella Ichikawa 1958
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†Krumbeckiella timorensis Krumbeck 1924
Invalid names: Timoria Krumbeck 1924 [replaced]
Subg. †Gervillia (Cultriopsis) Cossman 1904
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†Gervillia (Cultriopsis) angusta Munster 1838
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Invalid names: Gervillia epichara Chen 1976 [synonym]
Subfm. †Polidevciinae Kumpera et al. 1960
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G. †Ryderia Wilton 1930
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†Ryderia guangdongensis Zhang 1977
Invalid names: Teinonuculana Zhang 1977 [synonym]