Classification of the family Derorhynchidae
Fm. †Derorhynchidae Paula Couto 1962
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G. †Coona Simpson 1938
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†Coona gaudryi Simpson 1964
†Coona gutierrezi Del Corro 1977
†Coona pattersoni Simpson 1948
G. †Derorhynchus Couto 1952
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†Derorhynchus minutus Goin et al. 1999
†Derorhynchus singularis Paula Couto 1952
G. †Xenostylos Goin 2007
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†Xenostylos peninsularis Goin et al. 1999
Invalid names: Xenostylus Goin et al. 1999 [replaced]