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Please use this identifier to cite or link to this item: http://hdl.handle.net/10362/1536

Título: Le Crétacé terminal de Beira Litoral, Portugal: remarques stratigraphiques et écologiques,étude complémentaire de Rosasia soutoi (Chelonii, Bothremydidae)
Autor: Antunes, M. T.
Broin, F. de
Palavras-chave: Late Cretaceous
Beira Litoral
Ecology
Rosasia
Anatomy
Skull
Bothremydidae
Phylogenesis
Issue Date: 2-Aug-2008
Resumo: The synthetic study of the uppermost Cretaceous of the Beira Litoral (fauna, flora) confirms its upper Campanian-Maastrichtian age. It shows the presence of a tropical to subtropical climate in an area constituted by a low coastal plain only occasionally linked to the sea, saturated with fresh water and possessing accordingly, a predominantely freshwater fauna (Viso, Aveiro); this plain changed towards the interior into a drier more forested zone with a more abundant terrestrial fauna which includes mammals (Taveiro). A thorough study of the chelonian Rosasia, abundant on the coastal plain, was made possible thanks to the discovery of a skull: it demonstrates that the genus belongs to the family Bothremydidae, revalided here. The composition of this family is presented, its phylogenetic and paleobiogeographic relation with the other pleurodires are analyzed, and its diagnosis established. The family is constituted of three groups; Rosasia belongs to one of these, the Bothremys group.
URI: http://hdl.handle.net/10362/1536
Appears in Collections:FCT: DCT - Ciências da Terra

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