کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4747600 1359924 2009 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Solemys (Chelonii, Solemydidae) remains from the Maastrichtian of Pyrenees: evidence for a semi-aquatic lifestyle
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فسیل شناسی
پیش نمایش صفحه اول مقاله
Solemys (Chelonii, Solemydidae) remains from the Maastrichtian of Pyrenees: evidence for a semi-aquatic lifestyle
چکیده انگلیسی
We report on a turtle from the Mina Esquirol site (Vallcebre basin), a new locality of early Maastrichtian age in the south-eastern Pyrenees. Fossils were located in the basal Tremp Formation, which was deposited in a littoral marsh. The material consists of a cast of a carapace including peripheral fragments and partial neural plates. The carapace exhibits a vermiculate ornamentation that is characteristic of genus Solemys and a histological bone structure similar to that of terrestrial taxa. However, taphonomic data indicates little transport and a short biostratinomic history, whereas palaeontological and sedimentological context indicates that the specimen was preserved in a shallow brackish water environment. Based on this taphonomic and sedimentological evidence, we suggest that at least some species of genus Solemys had a lifestyle similar to extant fresh or brackish water turtles (terrapins) and that the histological evidence alone for a terrestrial lifestyle is misleading.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cretaceous Research - Volume 30, Issue 5, October 2009, Pages 1307-1312
نویسندگان
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