Ceratosaurus
Genus of theropod dinosaur from the Late Jurassic period
Ceratosaurus
Ceratosaurus (from Greek κέρας / κέρατος keras / keratos 'horn' and σαῦρος sauros 'lizard') is a genus of carnivorous theropod dinosaur that lived during the Late Jurassic period (around 155 m.y.a) in North America and Europe. The genus was first described in 1884 by American paleontologist Othniel Charles Marsh based on a nearly complete skeleton discovered in Garden Park, Colorado, in rocks belonging to the Morrison Formation. The type species is Ceratosaurus nasicornis. The Garden Park specimen remains the most complete skeleton known from the genus and only a handful of additional specimens have been described since. Two additional species, Ceratosaurus dentisulcatus and Ceratosaurus magnicornis, were described in 2000 from two fragmentary skeletons from the Cleveland-Lloyd Quarry of Utah and from the vicinity of Fruita, Colorado. These species are no longer accepted by most paleontologists, and all three skeletons possibly represent different growth stages of the same species. In...
Read on Wikipedia · Image Jens Lallensack, CC BY-SA 4.0
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