PBDB Taxonomy Results

Classification of Ostrom 1965

Or. Saurischia Seeley 1888 [saurischian]

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Subor. Theropoda Marsh 1881 [theropod]

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G. †Dromaeosaurus Matthew and Brown 1922

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†Dromaeosaurus cristatus Cope 1876

G. †Dryptosaurus Marsh 1877

G. †Ornithomimus Marsh 1890

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†Ornithomimus minutus Marsh 1892

†Ornithomimus sedens Marsh 1892

G. †Paronychodon Cope 1876

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†Paronychodon lacustris Cope 1876

G. †Saurornithoides Osborn 1924

G. †Tyrannosaurus Osborn 1905 [tyrant lizard]

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†Tyrannosaurus rex Osborn 1905 [tyrant lizard king]

Or. †Ornithischia Seeley 1888 [ornithischian]

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Subor. †Ankylosauria Osborn 1923 [ankylosaur]

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G. †Palaeoscincus Leidy 1856

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†Palaeoscincus latus Marsh 1892

Subor. †Ceratopsia Marsh 1890 [ceratopsian]

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G. †Torosaurus Marsh 1891

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†Torosaurus gladius Marsh 1891

†Torosaurus latus Marsh 1891

G. †Triceratops Marsh 1889

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†Triceratops alticornis Marsh 1887

†Triceratops brevicornus Hatcher and Lull 1905

†Triceratops calicornis Marsh 1898

†Triceratops elatus Marsh 1891

†Triceratops flabellatus Marsh 1889

†Triceratops galeus Marsh 1889

†Triceratops hatcheri Lull 1905

†Triceratops horridus Marsh 1889

†Triceratops maximus Brown 1933

†Triceratops obtusus Marsh 1898

†Triceratops prorsus Marsh 1890

†Triceratops serratus Marsh 1890

†Triceratops sulcatus Marsh 1890

Subor. †Ornithopoda Marsh 1881 [ornithopod]

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G. †Anatosaurus Lull and Wright 1942

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†Anatosaurus annectens Marsh 1892

†Anatosaurus longiceps Marsh 1890

G. †Pachycephalosaurus Brown and Schlaikjer 1943

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†Pachycephalosaurus wyomingensis Gilmore 1931

G. †Thescelosaurus Gilmore 1913

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†Thescelosaurus neglectus Gilmore 1913