Presentation of a Rich fauna Athyrididae from the Late Devonian and Early Carboniferous North of Damghan (Jeyrud and Mobarak Formations)
Publish place: Journal of Geotechnical Geology، Vol: 3، Issue: 1
Publish Year: 1386
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JGEO-3-1_001
تاریخ نمایه سازی: 30 آبان 1400
Abstract:
Athyrididae belong to one of the important Brachiopod groups, typical of Upper Devonian & Early Carboniferous sediments. This family has a world-wide diversification with many species. This study for the first time is on fossils of the Jeyrud and Mobarak Formations in Balast Mine (North East Railway Co.). The sediments have a rich fauna of Corals, Crinoids and other groups of Brachiopods. Compared with other sections in Iran, this section has the richest fauna of athyris. (Samples are in Azad University, branch of Izeh). According to this study we recognized. - Athyris globolina (Waagn ۱۸۸۴).- Cleiothyridina coloradensis (Girty ۱۹۰۰).- Cleiothyridina coloradensis intermedia (Chao ۱۹۳۸).- Cleiothyridina davidi (Chao ۱۹۳۸).- Cleiothyridina kusbassica (Benznosova ۱۹۶۳).- Cleiothyridina (Leiothycridina) okensis (Grunt ۱۹۸۰).- Cleiothyridina orbicularis (Chao ۱۹۳۸).- Cleiothyridina transversa (Stainbrook ۱۹۴۷).- Cleiothyridina transversa geirudensis (Assereto ۱۹۶۲).- Composita ambigua (Soworby ۱۸۳۹).- Composita megala (Tolmacher ۱۹۲۴).
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Authors
Babak Aghababalu
Department of Geology, Faculty of Basic Sciences, Sciences & Research Branch, Islamic Azad University, Tehran, Iran
Mohammad Jafarian
Department of Geology, University of Isfahan, Isfahan, Iran