کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4734615 1640645 2016 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The Rhaetian vertebrates of Chipping Sodbury, South Gloucestershire, UK, a comparative study
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات زمین شناسی
پیش نمایش صفحه اول مقاله
The Rhaetian vertebrates of Chipping Sodbury, South Gloucestershire, UK, a comparative study
چکیده انگلیسی
Microvertebrates are common in the basal bone bed of the Westbury Formation of England, documenting a fauna dominated by fishes that existed at the time of the Rhaetian Transgression, some 206 Myr ago. Two sites near Chipping Sodbury, south Gloucestershire, Barnhill Quarry and Chipping Sodbury railway cutting, show differing faunas. Top predators are the large bony fish Severnichthys and the shark Hybodus cloacinus, which preyed on smaller sharks such as Lissodus and Rhomphaiodon. These fishes in turn may have fed on a mixed diet of other fishes and invertebrates, and Lissodus was a shell crusher. Comparisons of these faunas with others described recently from the Bristol region, and from Devon, indicate remarkable faunal similarities in the Rhaetian basal Westbury Formation bone bed over a wide area, based on a variety of ecological statistics that document species diversities and relative abundances. Only the fauna from the Chipping Sodbury railway cutting differs significantly.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Proceedings of the Geologists' Association - Volume 127, Issue 1, April 2016, Pages 40-52
نویسندگان
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