NOTES ON SOME MARINE EARLY TRIASSIC LAMELLIBRANCHIATA FROM EAST TSINLING,SOUTHERN SHANXI(SHENSI)
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Abstract:
Some fossils,mainly lamellibranchs,were recently discovered by a field party of theGeological Bureau of Shanxi Province at some 20 km SSE from Zhenan(Chenan)city ineastern Tsinling.The fossil locality is within the type area of the“Chenan series”(Chaoand Huang,1931)and near to the southern border of the Tsinling Axis.The collectionwas made in a series of grey-black calcareous and slaty shales,the lower part of the“Jin-jiling Qun”.After a careful study on these life-remains,Mr.C.C.Chen and the writerhave arrived at the same conclusion that these fossils are undoubtly of marine earlyTriassic.The fauna consists of the following forms:Claraia hunanica(Hsü)Cl.zhenanica Chen et Liu(sp.nov.)Cl.cf.wangi(Patte)Cl.ex gr.stachei(Bittner)Cl.sp.ind.Spirorbis?sp.cf.S.valvata(Goldfuss)Cephalopoda gen.et sp.ind.Brachiopods genera ind.
