Abstract:

The Bayan Nur Geopark holds the biggest and most important late Cretaceous dinosaur fossils in China or even in the East Asia, abundant in fossils, such as ceratopsia, ankylosauria, coelurosauria, furtherover chelonian, crocodilian, saurischian and mammalian, and egg fossils of vertebrates. This paper summarizes the major features of dinosaur fossils and egg fossils, expands the significance of discovery of the dinosaur and egg fossils in studying the biological involvement from extinction of dinosaur to emergence of mammalian during the late Cretaceous.

Key words: fossils; dinosaur fossils, late Cretaceous; geopark; Bayan Nur

摘要：

内蒙古巴彦淖尔地质公园恐龙园区是中国乃至东亚地区最大、最重要的晚白垩世恐龙化石产区，蕴藏着丰富的古生物化石，主要有角龙类、甲龙类、兽脚类化石，还有龟鳖类、鳄类、蜥蜴类、哺乳类以及多种不同的脊椎动物及其蛋化石。本文对恐龙园区内主要恐龙化石及其蛋化石的种类和主要特征进行归纳与总结，并阐述了这些化石的发现对于研究白垩纪晚期恐龙灭绝及哺乳动物崛起这一生物演替阶段的重要意义。

关键词: 古生物化石；恐龙化石；晚白垩世；地质公园；巴彦淖尔