Classification of the family Chonophyllidae
Fm. †Chonophyllidae Holmes 1887
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Subfm. †Chonophyllinae Holmes 1887
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G. †Ketophyllum Wedekind 1927
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†Ketophyllum eriphyle Billings 1862
†Ketophyllum turbinata Linnaeus 1758
Invalid names: Omphymatinae Wedekind 1927 [synonym]
Invalid names: Blothrophyllinae Stumm 1949 [empty]