[关键词]
[摘要]
文章描述冀北、辽两地区土城予组（后城组）的两新属、两新种叶肢介化石：Pingquania huangtuliangensis gen．et sp．nov．．Lingyuanella shuiquanesis gen．et sp．nov.．并附有电子扫描照片。文中还讨论叶肢介组合的时代问题．认为将其时代归入晚侏罗世早期比较合适。
[Key word]
[Abstract]
Two new clam shrimp species and genera have been described through the examination of specimens under a scanning electron microscope from the Tuchengzi Formation of northern Hebei and western Liaoning:Lingyuanella shuiquanensis Wang gen.et sp.nov.and Pingquania huangtuliangensis Wang gen.et sp.nov.They belong to the Yanshanoleptestheria-Pingquania-Lingyuanella assem-blage,and are early Late Jurassic in age.
[中图分类号]
Q915
[基金项目]
现代古生物学和地层学国家重点实验室基金(Nos.073106,20082103);;国家自然科学基金(No.40572005)联合资助
