Apatosaurus
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Apatosaurus is a genus of herbivorous sauropod dinosaur that lived in North America during the Late Jurassic period. Othniel Charles Marsh described and named the first-known species, Apatosaurus ajax
Apatosaurus louisae CM
A. ajax skull, specimen CMC VP 7180
Artistic interpretation of A. louisae
Arthur Lakes' painting of YPM crews excavating fossils of Apatosaurus ajax at Quarry 10 in Morrison.
Stegosaurus
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Stegosaurus is a genus of extinct herbivorous four-legged armored dinosaurs from the Late Jurassic, characterized by the distinctive kite-shaped upright plates along their backs and spikes on their ta
Apatosaurus
…existed in North America during the late Jurassic, Apatosaurus would have lived alongside dinosaurs such as Allosaurus, Camarasaurus, Diplodocus, and Stegosaurus. Apatosaurus was a large, long-necked, quadrupedal animal with a long, whip-like tail. Its forelimbs were slightly shorter than its hindlimbs. Most…
Journal.pone.0138352.g 001A
1899 life restoration showing the plates lying flat on the back with spikes all over the back
1901 life restoration of S. ungulatus by Charles R. Knight with paired dorsal plates and eight tail spikes
S. stenops skull cast, Natural History Museum of Utah