Kumamotoa, an early Late Cretaceous non-marine bivalve, from Fujian, south China |
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| Authors: | Chen Jin-Hua Toshifumi Komatsu Cao Mei-Zhen Frank Stiller |
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| Institution: | aNanjing Institute of Geology and Palaeontology, Academia Sinica, Nanjing 210008, P R. China;bDepartment of Earth Sciences, Faculty of Science, Kumamoto University, Kumamoto 860-8555, Japan |
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| Abstract: | The non-marine bivalve species Trigonioides (Kumamotoa) quadratus Gu and Ma is described from the Fourth Member of the Hekou Formation in western Fujian, southeastern China. This species previously was regarded to belong to the subgenus Trigonioides (s.s.), which is restricted to the Early Cretaceous. Herein, it is included into the subgenus Kumamotoa. It is compared to Cenomanian (early Late Cretaceous) species from Japan and Korea such as Trigonioides (Kumamotoa) mifunensis Tamura, Trigonioides (Kumamotoa) matsumotoi Kobayashi and Suzuki and Trigonioides (Kumamotoa) paucisulcatus Suzuki. The age of the Fourth Member of the Hekou Formation is discussed. |
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| Keywords: | Non-marine Bivalve Trigonioides (Kumamotoa) Cenomanian South China |
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