内蒙古大佘太地区寒武纪三叶虫

ON THE CAMBRINE TRILOBITES IN THE REGION OF DASHETAI,INNER MONGOLIA

本文对内蒙古大佘太地区寒武系中统张夏组上部灰岩和寒武系上统崮山组上部灰岩中的三叶石化虫进行了详细的描述。经鉴定有9个属10个种,其中的新种为大余太光滑北山虫 Liopeishania dashetaiensis Zhanget Liu(sp·nov·),栓马柱白家山虫 Peichiashania shuanmazhuangenisis Zhang et Liu(sp·nov).

This paper illustrites the trilobites found in the limestones of the sup-zhangxia formation,middle cambrine system and the sup—Gushan formation,supper cambrine system.They contain 9 genera and 10 species, namely,Neimengguaspis parvus Zhang et Liu (MS.),Cyclolorenzella sp., Peichiashania shuanmazhuangensis Zhang et Liu (sp.nov.),Psudagnostus douvillei (Bergeron),Meropalla quadrans Opik,Liopeishania dashetaiensis Zhang et Lit (sp.nov.),Stephanocare danuqigouensis Zhang et Liu(MS.), S.richthofeni Monke,Eodamesella yinshanensis Zhang et Liu (MS.), Pingluaspis minor Zhang et Wang(MS.).Among them the new species of trilobite are Liopeishania dashetaiensis Zhang et Liu(sp.nov.)and Peichiashania shuanmazhuangensis Zhang et Liu(sp.nov.).