Classification of Bryant 1989
Cl. Osteichthyes Huxley 1880 [bony fish]
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Superor. Holostei Müller 1846
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Or. Lepisosteiformes Hay 1929 [gar]
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Or. Acipenseriformes Berg 1940
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Fm. Polyodontidae Bonaparte 1838 [paddlefish]
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Or. Elopiformes Sauvage 1875
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Fm. †Prosirenidae Estes 1969
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Fm. †Batrachosauroididae Auffenberg 1958
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Fm. Amphiumidae Gray 1825
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Fm. Sirenidae Gray 1825 [siren]
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Fm. Discoglossidae Günther 1859 [painted frog]
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Subor. Cryptodira Cope 1868
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Fm. †Baenidae Cope 1882
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Fm. Trionychidae Gray 1825 [softshell turtle]
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G. †Plastomenus Cope 1873
G. Trionyx Geoffroy Saint-Hilaire 1809
Fm. Chelydridae Swainson 1839
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Fm. Teiidae Gray 1827
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Fm. Scincidae Gray 1825 [skink]
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Fm. Anguidae Gray 1825
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Fm. Xenosauridae Cope 1866
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Fm. †Necrosauridae Hoffstetter 1943
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Fm. Helodermatidae Gray 1837
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Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
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Fm. Crocodylidae Cuvier 1807 [crocodile]
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Invalid names: Thoracosaurinae Cope 1871 [empty]
Subfm. Alligatorinae Cuvier 1807
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Fm. Orectolobidae Jordan and Fowler 1903 [wobbegong]
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G. Brachaelurus Ogilby 1906
Subcl. Teleostei Müller 1846
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Fm. †Palaeolabridae Estes 1969
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Fm. †Phyllodontidae Sauvage 1875
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Subfm. Crocodylinae Cuvier 1807
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Or. Batoidea [ray]
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Fm. †Hybodontidae Agassiz 1834
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