延安地区延安组鲎虫及其古环境  

Triops AND THE PALEOENVIRONMENT OF THE YANAN FORMATION IN THE YANAN DISTRICT,SHAANXI

作　　者：熊存卫[1] 

机构地区：[1]煤炭科学研究总院西安分院

出　　处：《煤田地质与勘探》1998年第2期10-12,T001,共4页Coal Geology & Exploration

摘　　要：描述了延安组鲎虫ＴｒｉｏｐｓｈａｎｓｈａｎｅｎｓｉｓＣｈｅｎ，Ｔ．ｂａｓｈｕｅｎｓｉｓＤｕａｎ和Ｔ．ｓｐ．１三个种，讨论了延安地区“延安组”鲎虫的古环境。In the present paper three species,i.e.Triops hanshanensis,T.bashuensis and T.sp.1 from the Yanan Formation in Yanan district are described.In addtion,the paleoenvironment of Triops are also briefly discussed.

关 键 词：延安组 鲎虫 古环境 古动物 化石 晚侏罗世 

分 类 号：Q915.652[天文地球—古生物学与地层学] P531[生物学—古生物学]