Notas sobre los Turiasaurus ibéricos

Una nueva aportación sobre la fauna de dinosaurios saurópodos del Jurásico Superior de Portugal fue presentada en el 8th Annual Meeting of the European Association of Vertebrate Palaeontologists celebrado en la ciudad francesa de Aix-en-Provence y albergado por el Muséum d’Histoire Naturelle d’Aix-en-Provence. En este trabajo se amplian el número de yacimientos portugueses en los que se han identificado restos atribuibles al saurópodo Turiasaurus.


Ortega, F.; Royo Torres, R.; Gascó, F.; Escaso, F.; Sanz, JL. (2010): New evidences of the sauropod Turiasaurus from the Portuguese Upper Jurassic. Abstract Volume 8th Annual Meeting of the European Association of Vertebrate Palaeontologists: 62.

"The Portuguese Upper Jurassic sauropod fauna is to date constituted by four species including Lourinhasaurus alenquerensis, Dinheirosaurus lourinhanensis, Lusotitan atalaiensis and Turiasaurus riodevensis. In addition, material closely related with Morrison sauropods, such as Camarasaurus and Apatosaurus, have also been cited. Here, two isolated sauropod teeth from the upper Kimmerigian beds of Praia da Corva (Praia da Amoreira-Porto Novo Member of the Alcobaça Formation, Lourinhã Group) and the Tithonian beds of Cambelas (Freixial Formation, Lourinhã Group) from the Torres Vedras Municipality are discussed. The teeth have the morphology assigned to Turiasauria (Turiasaurus and Neosodon): heart-shaped, spatulated and asymetrical maxilar or dentary crowns and enamel ornamented by numerous small bumps and wrinkles. Furthermore, their lingual and labial sides possess a central ridge that is weaker in the lingual side, but conspicuous in the labial side. This lingual character reminds of Turiasaurus teeth rather than Neosodon tooth, with a flat lingual face. The only known species of Turiasaurus was described from the Villar del Arzobispo Formation at Barrihonda–El Humero site in Riodeva (Teruel, Spain), that are middle Tithonian to lower Berriasian in age. Turiasauria had been described previously in Portugal with a tooth from S. Martinho do Porto and, recently Turiasaurus has been documented in early Tithonian beds, relatively synchronous with Cambelas beds. The new teeth assigned to Turiasaurus increase its stratigraphical and geographical range, making it one of the sauropod genera with a broader record in the Upper Jurassic of the Iberian domain."

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