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Traukutitan
''Traukutitan'' is a genus of possible lognkosaurian titanosaur sauropod dinosaur which lived during the late Cretaceous (Santonian age).
Fossils of ''Traukutitan'' were recovered from the lowermost section of the Bajo de la Carpa Formation (Neuquén Group) in North Patagonia of Argentina and described but not named in 1993 by Leonardo Salgado and Jorge Orlando Calvo.〔Salgado, L. and Calvo, J.O., 1993, "Report of a sauropod with amphiplatyan mid-caudal vertebrae from the Late Cretaceous of Neuquén province (Argentina)", ''Ameghiniana'', 30: 215-218〕 ''Traukutitan'' was named by Rubén Darío Juárez Valieri and Calvo in 2011 on the basis of holotype MUCPv 204, a partial semi-articulated skeleton including both thigh bones and thirteen vertebrae from the anterior and middle tail. The type species is ''Traukutitan eocaudata''. The generic name refers to ''Trauku'', the Araucanian mountain spirit, usually represented like a giant, and ''titan'', the name of the Greek mythological giants. The specific name is derived from Greek ''eos'', "dawn", and Latin ''cauda'', "tail", a reference to the basal morphology of the middle caudal vertebrae.〔
''Traukutitan'' has been described as a "large titanosaurid". The articular morphology of the middle tail vertebrae is a flat instead of a convex face on the posterior surface of their centra.〔
The authors assigned ''Traukutitan'' to the Titanosauridae; it is a possible member of the Lognkosauria.〔
==References==
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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