对于我国从事古生物学研究的科技人员来说“热河动物群”这个名词并不陌生。它专指距今6千5百万年以前的晚中生代,生活在我国辽阔大地上一个特色鲜明的生物群,是我国古生物学界最早研究的古生物群之一。多年来,它那扑朔迷离的地理分布、错综复杂的出现层位,一直是我国地学界争论的问题。“热河动物群”的发现热河动物群最初是由美籍德国地质学家葛利普在本世纪20年代提出的,专门指分布于东亚狼鳍鱼岩系里 The term “Jehol fauna” is no stranger to the scientific and technical personnel engaged in palaeontological research in our country. It refers specifically to the late Mesozoic 650,000 years ago, living in a vast land of our country a distinctive biological group, is one of the earliest paleobiosomal study of paleontology in China. Over the years, its confusing geographical distribution, complex layers of emergence, has always been the issue of debate in China’s academic community. The discovery of the “Jehol fauna” The Jehol fauna was first proposed by Gerupp, a German-American geologist, during the 1920s, specifically in the East Asian wolffish rock series