廖焕宇,黄迪颖

• 1:现代古生物学与地层学国家重点实验室
• 2:中国科学院南京地质古生物研究所
• 3:中国科学院大学

摘要(Abstract)：

河北省青龙县木头凳镇兴隆台村霸王沟的侏罗纪地层产翼龙、蝾螈、鱼类、昆虫、叶肢介、双壳类及植物化石,是一个侏罗纪晚期的特异埋藏化石地点。研究者曾认为其相当于中侏罗统道虎沟化石层。经过我们对其中叶肢介的研究,发现霸王沟与这些脊椎动物临近层位的叶肢介与辽宁建昌玲珑塔化石层最常见的柴达木叶肢介(Qaidamestheria)属于一类,壳瓣上都具有较稀疏的微小刻点装饰,而与道虎沟化石层的"真叶肢介"却具有一定差异。霸王沟的叶肢介和脊椎动物组合面貌与玲珑塔化石层相似,属玲珑塔化石层,时代为晚侏罗世最早期,明显晚于道虎沟化石层。道虎沟化石层和玲珑塔化石层的生物组合代表了燕辽生物群早晚两个有明显差异又相互关联的群落。

关键词(KeyWords)： 叶肢介;玲珑塔化石层;霸王沟化石点;中晚侏罗世;燕辽生物群

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划项目(2012CB821903);; 国家自然科学基金(91114201,41222013,J1210006);; 江苏省杰出青年基金(BK2012049)联合资助

作者(Author): 廖焕宇,黄迪颖

DOI: 10.19839/j.cnki.dcxzz.2014.04.007

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