Taxonomic diversity of foraminifers of the Devonian-Carboniferous boundary interval in the South Urals

被引：25
|
作者：
Kulagina, Elena I. [1 ]
机构：
[1] Russian Acad Sci, Ufa Sci Ctr, Inst Geol, Ufa 450077, Russia
来源：
BULLETIN OF GEOSCIENCES | 2013年 / 88卷 / 02期
基金：
俄罗斯基础研究基金会;
关键词：
foraminifers; Devonian; Late Famennian; Tournaisian; Early Carboniferous; South Urals; biodiversity;
D O I：
10.3140/bull.geosci.1347
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The taxonomic diversity of foraminifers from the Devonian-Carboniferous boundary beds was studied in the key sections on the western slope of the South Urals in Russia and from Mugodzhary in Kazakhstan. These sections are mainly composed of marine carbonates, apparently deposited in a shallow-water environment. The boundary interval contains 111 species belonging to 30 genera within the foraminiferal zones Quasiendothyra communis, Q. kobeitusana, Tournayellina beata pseudobeata, Earlandia minima, and Chernyshinella disputabilis of the Russian General Stratigraphic Scale. Maximum diversification is recorded in the Q. kobeitusana Zone, and minimum species diversity is observed in the Earlandia minima Zone.
引用
收藏
页码：265 / 282
页数：18
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