Ceratosaurus / ˌ s ɛr ə t oʊ ˈ s ɔːr ə s / (from Greek κέρας/κέρατος keras/keratos 'horn' and σαῦρος sauros 'lizard') is a genus of carnivorous theropod dinosaur that lived in the Late Jurassic period (Kimmeridgian to Tithonian ages).The genus was first described in 1884 by American paleontologist Othniel Charles Marsh based on a nearly complete skeleton discovered ...
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