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Early Permian fusulinids from the Baoshan Block, western Yunnan, China and their paleobiogeographic significance

Shi Yukun, Huang Hao, Jin Xiaochi and Yang Xiangning
Early Permian fusulinids from the Baoshan Block, western Yunnan, China and their paleobiogeographic significance
Journal of Paleontology (May 2011) 85 (3): 489-501

Abstract

Early Permian fusulinids from both northern and southern parts of the Baoshan Block (western Yunnan, Southwest China) are illustrated and compared with coeval fusulinid faunas from other northern peri-Gondwana areas to disclose paleogeographic information. Systematic study of collected fusulinid materials and examination of published data from the Dingjiazhai area, northern Baoshan Block, show that fusulinids there include Eoparafusulina pseudosimplex and Pseudofusulina macilenta. Fusulinids from the Aluotian Section, southern Baoshan Block, consist of P. minitumidiscula n. sp., P. macilenta, P. tumidiscula, E. pseudosimplex, E. aff. E. laudoni, and E. sp. Early Permian fusulinids from both northern and southern Baoshan Blocks are dominated by Pseudofusulina and Eoparafusulina species and they are similar to those from Central Pamir, South Afghanistan, East-Central Iran, Central Oman, East Hindu Kush and northern Karakorum, revealing a Sakmarian to Artinskian age. Moreover, detailed comparison shows that the Early Permian fusulinid assemblage from the Baoshan Block is more similar to those from East-Central Iran, Central Pamir and South Afghanistan. This implies that the Baoshan Block may have been near those areas during the Early Permian.


ISSN: 0022-3360
EISSN: 1937-2337
Coden: JPALAZ
Serial Title: Journal of Paleontology
Serial Volume: 85
Serial Issue: 3
Title: Early Permian fusulinids from the Baoshan Block, western Yunnan, China and their paleobiogeographic significance
Affiliation: Nanjing University, Department of Earth Sciences, Nanjing, China
Pages: 489-501
Published: 201105
Text Language: English
Publisher: Paleontological Society, Lawrence, KS, United States
References: 74
Accession Number: 2011-050399
Categories: StratigraphyInvertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: Includes 2 appendices
Illustration Description: illus. incl. sect., strat. col., 4 tables, geol. sketch map
N24°19'60" - N24°49'60", E99°00'00" - E99°15'00"
Secondary Affiliation: Chinese Academy of Geological Scienes, CHN, China
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, The Paleontological Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201128
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