苏皖志留纪鱼群及相关问题讨论

根据新发现的鱼化石和已记述的鱼类化石、无脊椎动物化石和沉积旋回，讨论了长江下游含鱼化石地层坟头组和茅山组（群）的时代，认为它们分别为早志留世的兰多维里阶和温洛克阶。

SILURIAN FISH FOSSIL FAUNA OF ANHUI AND JIANGSU PROVINCES,AND RELATED PROBLEMS

Some new material of Polybranhiaspiformes and Acanthodii was collected fromFentou Formation of Anhul and Jiangsu provinces. Based on the study of agnathans- gnathostomes including Hanyangaspis and Sinacanthus and so on, the FentouFormation is considered as Uandovery in age. This view has been proved also by thenewly discovered invedebrate fossils. Maoshan Formation was correlared with theupper part of Xiushan Formation in the pasL Recently, the Xiushan Formation andXiaoxiyu Formation was put in to the Lower Silurian by invedebrate workers. Becausethe Maoshan and Fentou formations are usually continuou and conformaby contacted,the Fentou Formation may cormspond to Uandovery and Maoshan Formation toWenloc.