Classification of Case 1904
G. †Sastrilophus Sahni and Khare 1971
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Invalid names: Sastrilophus dehmi Sahni and Khare 1971 [nomen dubium]
Subcl. Elasmobranchii Bonaparte 1838 [elasmobranch]
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Or. Selachii [shark]
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Unr. Trionychia
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Subph. Vertebrata Lamarck 1801 [vertebrate]
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Cl. Mammalia Linnaeus 1758 [mammal]
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Or. Cetacea Brisson 1762 [whale]
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Subor. Odontoceti Flower 1867 [toothed whale]
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Fm. Delphinidae Gray 1821 [dolphin]
Fm. Platanistidae Gray 1846
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G. †Ixacanthus Cope 1868
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†Ixacanthus atropius Cope 1868
†Ixacanthus coelospondylus Cope 1868
†Ixacanthus conradi Leidy 1852
†Ixacanthus spinosus Cope 1868
†Ixacanthus stenus Cope 1868
G. †Priscodelphinus Leidy 1851
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†Priscodelphinus crassangulum Case 1904
†Priscodelphinus gabbii Cope 1868
†Priscodelphinus grandaevus Leidy 1851
†Priscodelphinus lacertosus Cope 1868
†Priscodelphinus ruschenbergeri Cope 1868
†Priscodelphinus uraeus Cope 1869
Fm. †Squalodontidae Brandt 1873
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Invalid names: Mysticoceti Flower 1867 [empty]
Or. Sirenia Illiger 1811 [sirenian]
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†Orycterocetus crocodilinus Cope 1867
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Invalid names: Orycterocetus cornutidens Leidy 1856 [synonym]