沙金庚
Sha Jingeng Nanjing Institute of Geology and Palaeontology,Academia Sinica,Nanjing
Aucellina和Buchia是两个典型的外表形态趋同,但又分别是中Barremian—早Cenomanian和Oxfordian—Hauterivian期的双壳类分层化石。本文从足丝耳、足丝凹口和弹体窝形态,铰合区的韧带分布范围,假丝梳的存在与否,双壳不等程度,后耳和壳表放射脊和同心脊发育状况,及地质历程诸方面讨论了这两属的形态区别和时代差异。
沙金庚.1992.论Aucellina与Buchia的区别[J].地质论评,38(2):131-139,[DOI].Sha Jingeng Nanjing Institute of Geology, Palaeontology, Academia Sinica, Nanjing.1992. ON THE DISTINCTION BETWEEN Aucellina AND Buchia[J]. Geological Review,38(2):131-139.