Spinostropheus
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Spinostropheus is a genus of small ceratosaurian dinosaur that lived in the late Jurassic period of Niger. Once thought to be a species closely related to the abelisaurs (Sereno et al. 2002), subsequent studies have confirmed the original interpretation as a basal ceratosaur closely related to Elaphrosaurus (Carrano & Sampson, 2008). Theropoda is both a suborder of bipedal saurischian dinosaurs, and a clade consisting of that suborder and its descendants (including modern birds). Dinosaurs belonging to the suborder theropoda were primarily carnivorous, although a number of theropod groups…mehr

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Produktbeschreibung
Spinostropheus is a genus of small ceratosaurian dinosaur that lived in the late Jurassic period of Niger. Once thought to be a species closely related to the abelisaurs (Sereno et al. 2002), subsequent studies have confirmed the original interpretation as a basal ceratosaur closely related to Elaphrosaurus (Carrano & Sampson, 2008). Theropoda is both a suborder of bipedal saurischian dinosaurs, and a clade consisting of that suborder and its descendants (including modern birds). Dinosaurs belonging to the suborder theropoda were primarily carnivorous, although a number of theropod groups evolved herbivory, omnivory, and insectivory. Theropods first appeared during the Carnian age of the late Triassic period about 230 million years ago (Ma) and included the sole large terrestrial carnivores from the Early Jurassic until at least the close of the Cretaceous, about 65 Ma. In the Jurassic, birds evolved from small specialized coelurosaurian theropods, and are today represented by 9,900 living species.