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Permian brachiopods from the Baoshan and Simao Blocks in Western Yunnan, China

journal contribution
posted on 2002-01-01, 00:00 authored by S Shen, Guang ShiGuang Shi, F Zongjie
This paper describes and illustrates four Permian brachiopod assemblages (Assemblages A–D) from western Yunnan, southwest China. Assemblage A occurs in the basal part of the Yongde Formation in the Xiaoxinzhai section in the southern Baoshan Block and is assignable to the latest Artinskian or earliest Kungurian. Assemblage B occurs about 50 m stratigraphically above Assemblage A in the same section, and is of Chihsian (Kungurian–Roadian) age. Assemblage C was collected from the Yongde Formation in the Anpaitian section in the southern Baoshan Block and is most likely Roadian to Wordian in age. Assemblage D came from the Longtan Formation in the Simao Block and is of late Wuchiapingian in age. The brachiopod faunas from the Yongde Formation of the Baoshan Block, as a whole, is dominated by species characteristic of the Cathaysian Province, although some links with Peri-Gondwanan faunas are also evident. In contrast, Assemblage D from the Simao Block is characterised exclusively by taxa of the Cathaysian Province. New taxa described and illustrated are Neochonetes (Huangichonetes) inflatus n. sp. Costatumulus minor n. sp. and Celebetus yunnanensis n. sp.

History

Journal

Journal of Asian earth sciences

Volume

20

Issue

6

Pagination

665 - 682

Publisher

Pergamon

Location

Oxford, England

ISSN

1367-9120

eISSN

1878-5786

Language

eng

Publication classification

C1 Refereed article in a scholarly journal; C Journal article

Copyright notice

2002, Elsevier Science Ltd