Classification of Chhabra and Mishra 2002

Infracl. Chondrostei Müller 1844
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Or. Acipenseriformes Berg 1940
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Invalid names: Saurichthidae Mishra et al. 1990 [empty]
Or. †Hybodontiformes Patterson 1966
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Superfm. †Hybodontoidea Agassiz 1834
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Fm. †Hybodontidae Agassiz 1834
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Subfm. †Hybodontinae Agassiz 1834
G. †Hybodus Agassiz 1834
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†Hybodus plicatilis Agassiz 1834
Fm. †Polyacrodontidae Glükman 1964
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G. †Polyacrodus Jaekel 1889