合肥盆地首次发现恐龙蛋和骨骼化石

doi:10.19615/j.cnki.2096-9899.250618

古脊椎动物学报

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合肥盆地首次发现恐龙蛋和骨骼化石

王强¹ 董哲² 茅磊^3,4 朱旭峰⁵ 陈岩滨⁶ 黄建东^3,4 丁海东⁷

(1 中国科学院古脊椎动物与古人类研究所北京 100044)
(2 安徽省文物考古研究所合肥 230601)
(3 安徽省地质博物馆合肥 230071)
(4 自然资源部巢湖地层古生物与地质环境野外科学观测研究站合肥 230071)
(5 国家自然博物馆北京 100050)
(6 安徽省地质调查院(安徽省地质科学研究所) 合肥 230001)
(7 华东冶金地质勘查局八一五地质队合肥230000)

The first discovery of non-avian dinosaur egg and bone fossils in the Hefei Basin

WANG Qiang¹ DONG Zhe² MAO Lei^3,4 ZHU Xu-Feng⁵ CHEN Yan-Bin⁶ HUANG Jian-Dong^{3, 4} DING Hai-Dong⁷

(1 Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences Beijing 100044
wangqiang@ivpp.ac.cn)
(2 Institute of Archaeology and Cultural Relics, Anhui Province Hefei 230601)
(3 Anhui Geological Museum Hefei 230071)
(4 Observation and Research Station of Stratigraphy, Paleontology and Environmental Geology in Chaohu, MNR Hefei 230071)
(5 Natural History Museum of China Beijing 100050)
(6 Geological Survey of Anhui Province (Anhui Institute of Geological Sciences) Hefei 230001)
(7 No. 815 Geological Team, East-China Bureau of Metallurgical Geology and Exploration Hefei 230000)

摘要/Abstract

摘要：

报道了安徽省合肥盆地首次发现的蛋化石。蛋化石呈长形，外表面具有细脊状纹饰，蛋壳径切面可见由锥体层和柱状层组成，因此将其归入到长形蛋科(Elongatoolithidae)。又基于蛋壳较薄，小于1 mm, 锥体层与柱状层界线不明显，将其归入到长形蛋属(Elongatoolithus)。由于蛋化石被压扁较为严重，对蛋体形状指数产生较大影响，蛋壳内外表面由于受到侵蚀而造成缺失，因此将其暂定为长形蛋属未定种(Elongatoolithus oosp.)。合肥盆地蛋化石和骨骼化石的发现，丰富了安徽省蛋和骨骼化石的分布，同时也拓展了长形蛋类的古地理分布，进一步为该区域晚白垩世地层对比提供了确切的实物证据。

关键词: 合肥盆地, 上白垩统, 张桥组, 蛋化石, 长形蛋科

Abstract:

This report is about the first record of non-avian dinosaur eggs in the Hefei Basin, Anhui Province, China. Based on the combination of elongated egg body, linear ridges on the outer surface and two structure layer, the eggs can be referred to Elongatoolithidae. The gradual boundary between the cone and the column layers as well as the relative thin eggshell (less than 1 mm) indicates its affinity within Elongatoolithus. The eggs are identified as Elongatoolithus oosp., as they were severely compressed and experienced erosion on both inner and outer surfaces. The discovery of egg fossil in the Hefei Basin offers evidence for stratum comparison in this region and supplements the diversity of egg fossils in Anhui. Meanwhile, this discovery also enriches the paleogeographic distribution of elongatoolithids.

Key words: Hefei Basin, Upper Cretaceous, Zhangqiao Formation, egg fossil, Elongatoolithidae

王强, 董哲, 茅磊, 朱旭峰, 陈岩滨, 黄建东, 丁海东. 合肥盆地首次发现恐龙蛋和骨骼化石. 古脊椎动物学报, DOI: 10.19615/j.cnki.2096-9899.250618.

WANG Qiang, DONG Zhe, MAO Lei, ZHU Xu-Feng, CHEN Yan-Bin, HUANG Jian-Dong, DING Hai-Dong. The first discovery of non-avian dinosaur egg and bone fossils in the Hefei Basin. Vertebrata Palasiatica, DOI: 10.19615/j.cnki.2096-9899.250618.

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合肥盆地首次发现恐龙蛋和骨骼化石

The first discovery of non-avian dinosaur egg and bone fossils in the Hefei Basin

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