A latest Permian non-reef calcisponge fauna from Laibin, Guangxi, southern China and its significance
A calcisponge fauna occurs in uppermost Permian Conodont Clarkina meishanensis yini zone of the sequence exposed in the vicinity of Laibin, travc Guangxi Zhuang Autonomous Region, southern China.The fauna is dominated by one thalamid species, Amblysiphonella vesiculosa de Koninck, 1863, and one new sclerosponge genus and species, Radiofibrosclera l