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Lourinhasaurus
''Lourinhasaurus'' (meaning "Lourinhã lizard") was an herbivorous sauropod dinosaur genus dating from Late Jurassic strata of Estremadura, Portugal.
==Discovery==
The first find in 1949 by Harold Weston Robbins, a partial fossil skeleton found near Alenquer,〔A.F. de Lapparent & G. Zbyszewski, 1951, "Découverte d'une riche faune de Reptiles Dinosauriens dans le Jurassique supérieur du Portugal", ''Comptes Rendus de l'Académie des Sciences à Paris'' 233: 1125-1127〕 was in 1957 named ''Apatosaurus alenquerensis'' by Albert-Félix de Lapparent and Georges Zbyszewski. The specific name ''alenquerensis'' refers to the locality of Alenquer.〔Lapparent, A.F. de; & Zbyszewski, G. 1957: Les dinosauriens de Portugal. Mém. Serv. géol. Port. 2: 1-63〕
The species has subsequently been referred to other genera. In 1970 Rodney Steel renamed it ''Atlantosaurus alenquerensis'', in 1978 George Olshevsky coined a ''Brontosaurus alenquerensis''. John Stanton McIntosh in 1990 proposed that it were a species of ''Camarasaurus'': ''Camarasaurus alenquerensis''.〔McIntosh, J.S. 1990. Sauropoda. In Weishampel, D.B.; Dodson, P.; & Osmólska, H. (eds.): The Dinosauria. Berkeley (University of California Press): 345-401〕 However, the find of another partial skeleton, ML 414, including a tooth and a hundred gastroliths, in co-eval strata near the town of Lourinhã in 1983, induced Pinner Margarida Dantas e.a. in 1998 to see the taxon as a distinct form from ''Apatosaurus'' and ''Camarasaurus''. He therefore named the separate genus ''Lourinhasaurua''. The type species is ''Apatosaurus alenquerensis'', the ''combinatio nova'' is ''Lourinhasaurus alenquerensis''. This is the only species in the genus. The genus name refers to the locality of the second skeleton.〔Dantas, P.; Sanz, J. L.; Marques da Silva, C.; Ortega, F.; dos Santos V.F.; & Cachão, M. 1998: Lourinhasaurus n. gen. Novo dinossáurio saurópode do Jurássico superior (Kimmeridgiano superior-Tithoniano inferior) de Portugal. Comunicações do Instituto Geológico e Mineiro 84 (1A) : 91-94 (Original description of the genus ) (in Portuguese)〕 However, already in 1999 this second specimen was given a genus name of its own: ''Dinheirosaurus''.
The material originally consisted of a series of syntypes from the Sobral Member of the Lourinhã Formation dating from the Kimmeridgian. In 2003, Miguel Antunes en Octávio Mateus chose specimens MIGM 4956-7, 4970, 4975, 4979-80, 4983-4 and 5780-1 as the lectotype.〔Antunes, M.T.; & Mateus, O. 2003: Dinosaurs of Portugal. Comptes Rendus Palevol 2(1): 77-96〕 They consist of disarticulated bones of a single individual.
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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