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机译:Oldest known fossil of Rossellids (Hexactinellida, Porifera) from the Ordovician-Silurian transition of Anhui, South China
Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China;
Res Inst, D-60325 Frankfurt, Germany;
Georg August Univ Gottingen, Fac Geosci & Geog, Dept Geobiol, Ctr Geosci, D-37077 Gottingen, Germany;
Hexactinellida; Rossellids; Porifera; Ordovician-Silurian transition; Anhui; South China;