Crocodilian faunal renewal in the Upper Oligocene of Western Europe

被引:12
作者
Antunes, MT
Cahuzac, B
机构
[1] Univ Bordeaux 1, Lab Rech & Applicat Geol Larag, F-33405 Talence, France
[2] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Ciencias Terra, P-2825 Monte De Caparica, Portugal
[3] Univ Nova Lisboa, Fac Ciencias & Tecnol, Ctr Estudos Geol, P-2825 Monte De Caparica, Portugal
[4] Acad Ciencias Lisboa, Lisbon, Portugal
来源
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 1999年 / 328卷 / 01期
关键词
crocodylia; Upper Oligocene; Aquitaine basin (France); biogeography;
D O I
10.1016/S1251-8050(99)80089-5
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
The presence of Tomistomine Crocodilians (Tomistoma sp.) is first recorded in the Upper Oligocene of Western Europe (Chattian, Saint-Geours-de-Maremne, Aquitaine basin). immigration, probably of Asiatic origin, occurred ca. 26 Ma, prior to the previously earliest records for Lowermost Miocene. Tomistoma points to warm, at least subtropical environments, in agreement with data on invertebrates and fish fauna. Immigrations to Western Europe of Tomistoma (and of Gavialis, in Miocene times) during Upper Oligocene and Lower-Middle Miocene seem related to climatic warming and eustatic rise events. There was a renewal of the European Crocodilian fauna, much impoverished in Late Eocene and reduced to Diplocynodon. ((C) Academie des sciences / Elsevier, Paris.).
引用
收藏
页码:67 / 72
页数:6
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