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Turiasaurus
''Turiasaurus'' (meaning "Turia lizard"; Turia is the Latin name of Teruel) is a genus of sauropod dinosaurs. It is known from a single fossil specimen representing the species ''T. riodevensis'', found in a Spanish rock formation dated to the Jurassic-Cretaceous boundary, around 140 million years old.
==Description==
''Turiasaurus'' is believed to be the largest dinosaur ever found in Europe, and is among the largest dinosaurs known, at 36-39 metres in length and with a weight of 40 to 48 tonnes,〔Royo-Torres, R., Cobos, A., and Alcalá, L. (2006). "A Giant European Dinosaur and a New Sauropod Clade." ''Science'' 314: 1925-1927.〕 the combined weight of six or seven adult male elephants. More recent estimates suggest a length closer to in length, but a comperable mass of 50 tonnes.〔Paul, G.S., 2010, The Princeton Field Guide to Dinosaurs, Princeton University Press.〕 The length of its skull is 70 centimetres, which is not too large. According to the paleontologist Luis Alcalá, this is because a larger head may have caused ''Turiasaurus'' to break its neck.
Phylogenetic analysis shows that ''Turiasaurus'' lies outside of the Neosauropoda division and belongs to a new clade, Turiasauria, together with ''Losillasaurus'' and ''Galveosaurus''.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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