期刊
ALCHERINGA
卷 29, 期 1, 页码 31-85出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03115510508619560
关键词
Baoshan block; brachiopods; China; early Carboniferous; tournaisian; west Yunnan
类别
38 brachiopod species in 27 genera and subgenera are described from the Yadong Formation in the Shidian-Baoshan area, west Yunnan, southwest China. New taxa include two new subgenera: Unispirifer (Septimispirifer) and Brachythyrina (Longathyrina), and seven new species: Eomarginifera yunnanensis, Marginatia cylindrica, Unispirifer (Unispirifer) xiangshanensis, Unispirifer (Septimispirifer) wafangjieensis, Brachythyrina (Brachythyrina) transversa, Brachythyrina (Longathyrina) baoshanensis, and Girtyella wafangiieensis. Based on the described material and constraints from associated coral and conodont faunas, the age of the brachiopod fauna from the Yudon Formation is considered late Tournaisian (Early Carboniferous), with a possibility extending into early Visean.
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