Classification of Cook 1934

Or. Artiodactyla Owen 1848 [even-toed ungulate]
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Subor. Pecora Linnaeus 1758
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Fm. Antilocapridae Gray 1866 [pronghorn]
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G. †Merycodus Leidy 1854
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†Merycodus prodromus Cook 1934
Fm. Cervidae Gray 1821 [deer]
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G. †Blastomeryx Cope 1877
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†Blastomeryx cursor Cook 1934
†Blastomeryx pristinus Cook 1934
†Blastomeryx tantillus Cook 1934
G. †Nanotragulus Lull 1922
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†Nanotragulus matthewi Cook 1934
Fm. †Hypertragulidae Cope 1879
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G. †Hypertragulus Cope 1874
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†Hypertragulus sequens Cook 1934
G. †Hypisodus Cope 1873
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†Hypisodus ironsi Cook 1934
†Hypisodus paululus Cook 1934
G. †Leptomeryx Leidy 1853
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†Leptomeryx agatensis Cook 1934
†Leptomeryx antecedens Cook 1934
†Leptomeryx exilis Cook 1934
†Leptomeryx lenis Cook 1934
Fm. †Protoceratidae Marsh 1891 [protoceratid]
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G. †Pseudoprotoceras Cook 1934
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