喀左帽儿山动物群的时代及其意义顾罡于长江傅忠德１９８９年５月，喀左县一农民在帽儿山（因山顶平缓，似帽子状，故当地百姓称其为帽儿山）采石的过程中，发现一灰岩洞穴，并且洞穴内的堆积物中有动物化石，遂上报喀左县博物馆。县博物馆立即派人赶到现场，在堆积剖面底部滑? Kazuo Zhaolingshan animal group era and its significance Gu Gang in the Yangtze River Fuzhong De May 1989, Kazuo County, a farmer in Maoershan (due to the gentle peak, hat-like, so the local people called Maoer Hill) During quarrying, a limestone cave was found and animal fossils were found in the deposits inside the cave, which was then reported to the Kazuo County Museum. County Museum immediately sent people to the scene, sliding at the bottom of the accumulation profile?