【作者】 赖才根；

【Author】 Lai Caigen (Institute of Geology,Chinese Academy of Geological Sciences)

【机构】 中国地质科学院地质研究所；

【摘要】 <正>本文描述的化石材料,多数是林宝玉、盛怀斌等1980年所采集,少数由西藏地质局综合队提供。化石产地在西藏聂拉木县、申扎县和拉孜县三个地区范围以内。产头足类化石的地层时代分属于奥陶纪、志留纪、石炭纪和二叠纪。本文描述的头足类共29种,其中新种21个,新属4个。现按头足类化石的年代逐一介绍它们的产出层位、组分、及其在地层和古生物学的意义。更多还原

【Abstract】 The fossils on which this report is based were collected mainly by Mr. Lin Baoyu,Sheng Huaibin et al.,a few by a team of Geological Bureau of Xizang Autonomous Region,from Xainza、Nyalam (聂拉木) and Lhaz(?) (拉 孜) counties,ranging from Ordovician,Silurian,Carboniferous and Permian, respectively.The cephalopods described and illustrated in the present paper comprise 29 species belonging to 22 genera,among them 4 genera and 21 species are new.In order of age,their horizones,constitutent and significance in stratigraphy and palaeontology are given as follows:更多还原