کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5788282 1414233 2016 16 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Cyrtinoides Yudina and Rzhonsnitskaya, 1985, an aberrant Middle Devonian ambocoeliid brachiopod genus from China
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فسیل شناسی
پیش نمایش صفحه اول مقاله
Cyrtinoides Yudina and Rzhonsnitskaya, 1985, an aberrant Middle Devonian ambocoeliid brachiopod genus from China
چکیده انگلیسی
Here we redescribe and reillustrate specimens of an ambocoeliid brachiopod previously described as Echinocoelia guangsiensis Sun, 1992 from the late Eifelian-earliest Givetian Mingtang Formation of the Liujing section in Guangxi Autonomous Region. The internal structure of the species, and especially the presence of a spondylium with tichorhinum in the ventral valve indicates that the species represents the aberrant genus Cyrtinoides Yudina and Rzhonsnitskaya, 1985. It seems probable that the anterior part of the tichorhinum in Cyrtinoides accommodated the diductor attachments. Geographic distribution of Cyrtinoides is restricted to the Northern Hemisphere and shows a disjunct pattern. This genus has not hitherto been identified from China.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Palaeoworld - Volume 25, Issue 4, December 2016, Pages 632-638
نویسندگان
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