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Newtonsaurus : ウィキペディア英語版 | Newtonsaurus "Newtonsaurus" is the informal name given to an as yet undescribed genus of dinosaur from the Late Triassic. It was probably a ceratosaur, which lived in what is now the United Kingdom. The type species is "N. cambrensis", originally coined as ''Zanclodon cambrensis'',〔Newton, E.T. (1899). On a megalosaurid jaw from Rhaetic beds near Bridgend (Glamorganshire). ''Quarterly Journal of the Geological Society of London'' 55:89-96.〕 although it has usually been referred to ''Megalosaurus'', due to the taxonomic difficulties associated with ''Zanclodon''. It is based on a mold of a dentary from Rhaetian-age beds in Wales (hence the species name), and is one of the relatively few dinosaurs known from the time near the Triassic-Jurassic boundary. Paleontologists have avoided using the name since its appearance in 1999 in private publications, although "Zanclodon" ''cambrensis'' or ''Megalosaurus cambrensis'' have both been used for this taxon. ==See also==
* Timeline of ceratosaur research
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