排序方式: 共有1条查询结果,搜索用时 0 毫秒
1
1.
CHRISTIAN GAILLARD PAUL BERNIER GEORGES BARALE JEAN-PAUL BOURSEAU ERIC BUFFETAUT RUBEN EZQUERRA JEAN-CLAUDE GALL FRANCE DE LAPPARENT DE BROIN SABINE RENOUS SYLVIE WENZ 《Lethaia: An International Journal of Palaeontology and Stratigraphy》2003,36(4):315-322
Exceptional fossilization of large tetrapod swimming traces occurs in the Cerin Lagerstätte (Jura Mountains, France). These trackways are imprinted in Jurassic (Late Kimmeridgian) lagoonal fine-grained limestones and are attributed to giant turtles, which swam with a simultaneous movement of their forelimbs like the modern ones. These turtles swam in very shallow waters close to land, perhaps near a nesting area. As a major consequence, these new ichnologic data place the origin of true large marine turtles during the Jurassic period and not during the Cretaceous period as previously considered on the basis of skeletal remains. 相似文献
1