河南小壳动物群由裴放（1985）建Anabarella drepanoida-Auriculaspira带,钱逸（1999）建Parakorilithes带,现称Parakorilithes-Stenotheca-Auriculaspira-Pojetaia带,与三叶虫化石Hsuaspis带共生。该动物群小壳动物化石十分丰富,计有软舌螺Parakorilithes mammillatus,P.delicatus,Actinoth-eca mirus,A.dolioformis,A.costelata,Circotheca subcurvata,Dorsolinevitus sedcostatus,Linevitus sovorovi,Conotheca sp.；单板类Anhuiconus microtuberus,Mellopegma rostratum,M.brevicosta,（图4.1）Stenothe-ca drepanoida（图4.2）,S.emeiensis,Bemella costa,B.obscuricosta,Scenella jijiapoensis,S.pynca,Yochelcionella chinensis（图4.3）,Repenoconus xinjiensis,Igornella probosa,Purella sp.,Securiconus vul-garis,Obtusoconus grossicostus；腹足类Auriculaspira adunca（图4.4）,A.madianensis,Xinjispira sim-plex；双壳类Pojetaia runnegari,P.ovata,Oryzochonca prisca,以及骨针类Chancelloria altaica,C.morocana,C.arida,C.odontodes,Archiastella pentactina,Niphadus xihaopingensis,N.complanatus,Actinoites universalis；齿形类Henaniodus magicus（图4.5）,H.communis,Bioistodina planuta。
图4.1 宽褶准喙锥Mellopegma brevicosta Pei
图4.2 镰形窄管螺Stenotheca drepanoida（He et Pei）
图4.3 中华约克如神螺Yochelcionella chinensis Pei（据裴放,1985）
图4.4 钧状耳形螺Auriculaspira adunca He et Pei
图4.5 神秘河南齿Henaniodus magicus He et Pei