Allosaurus
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Allosaurus is a genus of theropod dinosaur that lived 155 to 143 million years ago during the late Jurassic period. The first fossil remains that could definitively be ascribed to this genus were desc
WLA hmns Allosaurus White Background
Mounted A. fragilis specimen (AMNH 5753), posed as scavenging an Apatosaurus
Outdated 1904 life restoration of AMNH 5753 by Charles R. Knight
"Big Al" (A. jimmadseni) skeleton at the Museum of the Rockies
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
Allosaurus
…Felch's subsequent discoveries made the quarry one of the prime sites of the Morrison, and included the holotype specimens of Ceratosaurus nasicornis, Stegosaurus stenops, and a mostly complete Allosaurus skeleton (USNM 4734) that would later be selected as the neotype specimen of Allosaurus fragilis (the single specimen…
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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