کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4747079 1359886 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Body form and paleoecology of the large Late Cretaceous bony fish, Pachyrhizodus caninus
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فسیل شناسی
پیش نمایش صفحه اول مقاله
Body form and paleoecology of the large Late Cretaceous bony fish, Pachyrhizodus caninus
چکیده انگلیسی

Pachyrhizodus caninus Cope is an extinct bony fish found in various Upper Cretaceous marine deposits in North America, but very little has been known about its paleobiology. This paper describes a nearly complete skeleton of P. caninus from the Britton Formation (Cenomanian – lower Turonian) of the Eagle Ford Shale in Texas, USA. The fish specimen is large, measuring 233 cm in total length, and is significant not only because it suggests that P. caninus had a stout tuna-like body with a marlin-like dorsal fin but also because it preserves a partial skeleton of an ichthyodectiform fish representing putative stomach content. This study indicates that P. caninus was a large, active carnivore that swam in open-ocean pelagic environment, much like the comparable-sized, extant tunas and marlins.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cretaceous Research - Volume 52, Part A, January 2015, Pages 286–291
نویسندگان
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