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Permian fusuline biostratigraphy

By
Yi-Chun Zhang
Yi-Chun Zhang
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China
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Yue Wang
Yue Wang
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China
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Published:
January 01, 2018

Abstract:

A review of Permian fusuline biostratigraphy is made in this paper in order to improve the correlation of Permian strata globally. Permian fusuline biostratigraphy in the Tethyan and Panthalassan regions can be correlated roughly because the fusulines had good faunal communications between these two regions. However, fusuline faunas from the North American Craton region were devoid of almost all neoschwagerinids and dominated exclusively by schwagerinids during the Guadalupian (Middle Permian) because of the blockage caused by the vast Pangaea supercontinent. This renders the correlation of Middle Permian biostratigraphy and chronostratigraphy between the Tethyan region and North American region challenging. Significant evolutionary key points in fusulines include the first occurrence of Pseudoschwagerina or Sphaeroschwagerina during the earliest Permian, first occurrence of Pamirina and Misellina during the Yakhtashian and Bolorian, and the extinction of all schwagerinids and neoschwagerinids by the end of the Midian.

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Contents

Geological Society, London, Special Publications

The Permian Timescale

S.G. Lucas
S.G. Lucas
New Mexico Museum of Natural History, USA
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S. Z. Shen
S. Z. Shen
Nanjing Institute of Geology and Palaeontology, China
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Geological Society of London
Volume
450
ISBN electronic:
9781786203311
Publication date:
January 01, 2018

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