Abstract
The brachiopod fauna (20 species in 6 genera) from the Ma’anshan section of the late Emsian Dale Formation at Zhongping, Xiangzhou county, central Guangxi is described. The fauna is dominated by spire-bearing brachiopods. One new genus and 4 new species are proposed: the smooth-shelled, septalium-bearingLubricospirifer gumoensis gen. et sp. nov.,Parathyrisina transitoria sp. nov.,Acrospirifer shipengensis sp. nov. andBarbarothyris? luhuiensis sp. nov.Athyrisinoidea Chen &Wan 1980 is regarded as equating partly withAthyrisina partly withParathyrisina. Excellence of preservation has provided an opportunity to present internal structure — obtained from serial sections — for 12 of the 20 species represented.
Kurzfassung
Die Brachiopoden-Fauna (20 Arten aus sechs Gattungen) des Ma’anshan Profils, Dale Formation des Ober-Emsium von Zhongping, Xiangzhou, Provinz Guangxi wird beschrieben. Brachiopoden mit spiraligem Armgerüst dominieren die Fauna. Eine neue Gattung sowie vier neue Arten werden vorgestellt: der glattschalige, Septalium-tragendeLubricospirifer gumoensis n. gen. et n. sp.,Parathyrisina transitoria n. sp.,Acrospirifer shipengensis n. sp. undBarbarothyris? luhuiensis n. sp. Die GattungAthyrisinoidea Chen &Wan 1980 entspricht teilweiseAthyrisina und teilweiseParathyrisina. Die gute Erhaltung des Materials ermöglicht die Abbildung interner Strukturen (Serienschnitte) von 12 der 20 Arten.
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Chen, XQ., Yao, ZG. Early Devonian (late Emsian) Brachiopods from Zhongping, Xiangzhou, central Guangxi, China. Senckenbergiana lethaea 79, 223–265 (1999). https://doi.org/10.1007/BF03043223
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DOI: https://doi.org/10.1007/BF03043223