Classification of Bryant 1989

Or. Rajiformes Berg 1940 [ray]
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Fm. Pristidae Bonaparte 1838 [sawfish]
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G. †Ischyrhiza Leidy 1856
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Ischyrhiza avonicola Estes 1964
Cl. Osteichthyes Huxley 1880 [bony fish]
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Superor. Holostei Müller 1846
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Or. Amiiformes Hay 1929 [bowfin]
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Fm. Amiidae Huxley 1861
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G. †Kindleia Jordan 1927
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Kindleia fragosa Jordan 1927
G. †Melvius Bryant 1987
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Melvius thomasi Bryant 1987
Or. Lepisosteiformes Hay 1929 [gar]
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Fm. Lepisosteidae Cuvier 1825
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G. Lepisosteus Agassiz 1843
Or. Acipenseriformes Berg 1940
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Fm. Polyodontidae Bonaparte 1838 [paddlefish]
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G. †Paleopsephurus MacAlpin 1947
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Paleopsephurus wilsoni MacAlpin 1947
Or. Elopiformes Sauvage 1875
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Fm. Albulidae Bleeker 1859
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G. †Coriops Estes 1969
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Coriops amnicolus Estes 1969
Fm. †Prosirenidae Estes 1969
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G. †Albanerpeton Estes and Hoffstetter 1976
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Albanerpeton nexuosus Estes 1981
Fm. †Batrachosauroididae Auffenberg 1958
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G. †Opisthotriton Auffenberg 1961
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Opisthotriton kayi Auffenberg 1961
G. †Prodesmodon Estes 1964
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Prodesmodon copei Estes 1964
Fm. Amphiumidae Gray 1825
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G. †Proamphiuma Estes 1969
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Proamphiuma cretacea Estes 1969
Fm. †Scapherpetonidae Auffenberg and Goin 1959
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G. †Lisserpeton Estes 1965
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Lisserpeton bairdi Estes 1965
G. †Piceoerpeton Meszoely 1967
G. †Scapherpeton Cope 1876
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Scapherpeton tectum Cope 1876
Fm. Sirenidae Gray 1825 [siren]
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G. †Habrosaurus Gilmore 1928
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Habrosaurus dilatus Gilmore 1928
Fm. Discoglossidae Günther 1859 [painted frog]
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G. †Scotiophryne Estes 1969
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Scotiophryne pustulosa Estes 1969
Subor. Cryptodira Cope 1868
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G. †Compsemys Leidy 1856
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Compsemys victa Leidy 1856
Fm. †Baenidae Cope 1882
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G. †Eubaena Hay 1908
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Eubaena cephalica Hay 1904
G. †Neurankylus Lambe 1902
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Neurankylus eximius Lambe 1902
G. †Palatobaena Gaffney 1972
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Palatobaena bairdi Gaffney 1972
G. †Plesiobaena Gaffney 1972
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Plesiobaena antiqua Lambe 1902
G. †Stygiochelys Gaffney and Hiatt 1971
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Stygiochelys estesi Gaffney and Hiatt 1971
G. †Thescelus Hay 1908
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Thescelus insiliens Hay 1908
Fm. Dermatemydidae Baur 1888
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G. †Adocus Cope 1868
G. †Basilemys Hay 1902
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Basilemys sinuosa Riggs 1906
Fm. Trionychidae Gray 1825 [softshell turtle]
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G. †Helopanoplia Hay 1908
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G. †Plastomenus Cope 1873
G. Trionyx Geoffroy Saint-Hilaire 1809
Fm. Chelydridae Swainson 1839
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G. †Emarginochelys Whetstone 1978
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Emarginochelys cretacea Whetstone 1978
Fm. Teiidae Gray 1827
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G. †Chamops Marsh 1892
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Chamops segnis Marsh 1892
G. †Haptosphenus Estes 1964
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Haptosphenus placodon Estes 1964
G. †Leptochamops Estes 1964
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Leptochamops denticulatus Gilmore 1928
G. †Peneteius Estes 1969
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Peneteius aquilonius Estes 1969
Fm. Scincidae Gray 1825 [skink]
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G. †Contogenys Estes 1969
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Contogenys sloani Estes 1969
Fm. Anguidae Gray 1825
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G. †Odaxosaurus Gilmore 1928
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Odaxosaurus piger Gilmore 1928
G. †Proxestops Gauthier 1982
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Proxestops jepseni Gilmore 1942
Fm. Xenosauridae Cope 1866
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G. †Exostinus Cope 1873
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Exostinus lancensis Gilmore 1928
Fm. †Necrosauridae Hoffstetter 1943
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G. †Colpodontosaurus Estes 1964
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G. †Parasaniwa Gilmore 1928
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Parasaniwa wyomingensis Gilmore 1928
Fm. Helodermatidae Gray 1837
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G. †Paraderma Estes 1964
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Paraderma bogerti Estes 1964
Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
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G. †Palaeosaniwa Gilmore 1928
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Palaeosaniwa canadensis Gilmore 1928
Fm. Aniliidae Fitzinger 1826 [pipe snake]
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G. †Coniophis Marsh 1892
Fm. Crocodylidae Cuvier 1807 [crocodile]
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Invalid names: Thoracosaurinae Cope 1871 [empty]
Subfm. Alligatorinae Cuvier 1807
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G. †Brachychampsa Gilmore 1911
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Brachychampsa montana Gilmore 1911
Fm. Orectolobidae Jordan and Fowler 1903 [wobbegong]
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G. Brachaelurus Ogilby 1906
G. †Squatirhina Casier 1947
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Squatirhina americana Estes 1964
Fm. Acipenseridae Bonaparte 1831
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G. †Protoscaphirhynchus Wilimovsky 1956
Subcl. Teleostei Müller 1846
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Fm. †Aspidorhynchidae Bleeker 1859
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G. †Belonostomus Agassiz 1834
Fm. †Palaeolabridae Estes 1969
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G. †Palaeolabrus Casier 1967
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Fm. †Phyllodontidae Sauvage 1875
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G. †Paralbula Blake 1940
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Paralbula casei Estes 1969
G. †Phyllodus Agassiz 1839
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Phyllodus paulkatoi Estes and Hiatt 1978
G. †Platacodon Marsh 1889
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Platacodon nanus Marsh 1889
Subfm. Crocodylinae Cuvier 1807
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G. †Leidyosuchus Lambe 1907
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Leidyosuchus sternbergi Gilmore 1910
Or. Batoidea [ray]
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G. †Myledaphus Cope 1876
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Myledaphus bipartitus Cope 1876
Fm. Dasyatidae Jordan 1888 [whiptail stingray]
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G. Dasyatis Rafinesque 1810
Fm. †Hybodontidae Agassiz 1834
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G. †Lissodus Brough 1935
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Lissodus selachos Estes 1964