福建龙岩苏邦栖霞组上部蜓类

FUSULINIDS FROM THE CHIHSIA FORMATION AT SUBANG IN LONGYAN COUNTY,FUJIAN

本文记叙了福建省龙岩苏邦早二叠世栖霞组上部的类化石，计４属８种，并建立了Ｐｒａｅｓｕｍａｔｒｉｎａｎｅｏｓｃｈｗａｇｅｒｉｎｏｉｄｅｓ－Ｖｅｒｂｅｅｋｉｎａｃｒａｓｓｉｓｐｉｒａ组合带。这些类化石的发现，不但为该地区地层划分与对比提供了新的证据，而且对华南地区早二叠世地层划分有一定意义．

The fusulinids described and illustrated here were collected from the Lower Permian Chihsia Formation at Subang in Longyan County,Fujian. This formation is mainly composed of dark grey medium-to thick-bedded bioclastic limestone, and chert nodules, about 70. 67m thick,with silicolite in the uppermost part,bottom not observed. It is disconformably overlain by the Wenbishan Formation. These fusulinids comprise 8 species belonging to 4 genera, namely, Praesumatrina neoschwagerinoides(Deprat),P. schellwieni ( Deprat), Verbeekinacrassispira Chen, V. grabaui Thompson et Foster,V. intermedia Xiao et Zhang, Paraverbeekina akasakaensis (Thompson),Nankinella vitusta Lin and N. staffellinoides (Chen et Wang). Among them, Praesumatrina and Verheekina are especially abundant in the fusulinid fauna and may be assigned to the Praesumatrina neoschwagerinoides-Verbeekina crassispira Assemblage Zone, representing the upper fusulinid horizon of the Chihsia Formation in southwestern Fujian. This zone bears a strong resemblance to the Cancellina liuzhiensis Subzone-Paraesumatrina schellwieni Subzone(Yang Zhen-dong, 1985 ), and the Cancellina liuzhiensis Subzone-Neoschwagerina simplex Subzone(Xiao Wei-min, 1986)of the Maokou Formation (Limestone) in southern Guizhou,and can be roughly correlated with the Cancellina neoschwagerinoides-Parafusulina multiseptata Assemblage Zone (Wang Jian-hua, 1986) of the Chihsia Formation in Tonglu, Zhejiang.