皖南休宁地区恐龙脚印等化石的产出特征

皖南休宁地区发现“三位一体”的恐龙骨骼化石、恐龙蛋化石、恐龙足迹和尾迹化石。本文着重描述这批化石的形态大小和结构特点，并从古生态学方面对化石进行了探讨分析；按化石产出层位，对应的各类恐龙活动时间总计约为40Ma。

THE OCCURRENCE FEATURES OF DINOSAUR'S FOSSILS IN THE XIUNING AREA, SOUIH ANHUI

It is rare that the dinosaur's fossils of bones, eggs , footprints and tailprints occur in a same area as Xiuning of South Anhui. This paper has described the fossils from the aspects of their forms ,sizes and textures and made an analysis on them paleoecologically. The temporal range of the dinosaur's activity is confined by the horizon where the fossils occur. about 40 Ma in total.