广东三水盆地发现首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝

doi:10.19615/j.cnki.1000-3118.180110

古脊椎动物学报 ›› 2019, Vol. 57 ›› Issue (1): 77-83.DOI: 10.19615/j.cnki.1000-3118.180110

广东三水盆地发现首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝

朱旭峰¹^,³, 方开永¹^,², 王强¹^,^*(), 卢筱洪⁴, 吴伟强⁴, 杜衍礼⁵, 黄志青⁵, 汪筱林¹^,³

1 中国科学院古脊椎动物与古人类研究所,中国科学院脊椎动物演化与人类起源重点实验室北京 100044
2 中国地质大学(北京)地球科学与资源学院北京 100083
3 中国科学院大学北京 100049
4 南海博物馆广东佛山 528211
5 河源市博物馆,河源市恐龙博物馆,中国古动物馆恐龙蛋馆广东河源 517000

收稿日期:2017-10-24 出版日期:2019-01-20 发布日期:2019-01-20
基金资助:
国家自然科学基金(批准号)资助(41672012);国家自然科学基金(批准号)资助(41688103);国家自然科学基金(批准号)资助(41572020)

The first Stalicoolithus shifengensis discovered in a clutch from the Sanshui Basin, Guangdong Province

ZHU Xu-Feng¹^,³, FANG Kai-Yong¹^,², WANG Qiang¹^,^*(), LU Xiao-Hong⁴, WU Wei-Qiang⁴, DU Yan-Li⁵, HUANG Zhi-Qing⁵, WANG Xiao-Lin¹^,³

1 Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences Beijing 100044
2 School of Earth Sciences and Resources, China University of Geosciences, Beijing Beijing 100083
3 University of Chinese Academy of Sciences Beijing 100049
4 Nanhai Museum Foshan, Guangdong 528211
5 Heyuan Museum, Heyuan Dinosaur Museum, Dinosaur Egg Museum of Paleozoological Museum of China Heyuan, Guangdong 517000

Received:2017-10-24 Published:2019-01-20 Online:2019-01-20
Contact: ^*wangqiang@ivpp.ac.cn

摘要/Abstract

摘要：

描述了发现于中国广东省佛山市南海区大沥镇北村水闸施工工地的三水组红层中的首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝。这一不完整蛋窝保存有3个近完整蛋化石和两个印痕。基于以下宏观形态和蛋壳显微特征,这些蛋可以被归为石笋蛋类的始丰石笋蛋：恐龙蛋呈球形,平均直径为10.5 cm; 蛋壳较厚,平均厚度为3.50 mm, 由柱状消光的壳单元组成,锥体层与柱状层界线不明显;锥体层的厚度为0.25 mm, 约占蛋壳厚度的1/14, 锥体在弦切面下呈花瓣状;柱状层可分为内层、中间层和外层,其中中间层和外层发育大量次生壳单元,气孔道呈蠕虫状。三水组中始丰石笋蛋的发现补充了这一蛋种的蛋窝信息：恐龙蛋在蛋窝中互相叠加,且相互之间间隔一定的距离。同时,这一发现还拓展了这一蛋种的古地理分布,为讨论三水盆地恐龙蛋的多样性奠定了基础。

关键词: 广东三水盆地, 晚白垩世, 恐龙蛋, 石笋蛋科

Abstract:

The first clutch of Stalicoolithus shifengensis is described here. This incomplete dinosaur egg clutch in which three nearly complete eggs and two egg prints were preserved was discovered in the red deposits of the Sanshui Formation at a construction site near the sluice of North Village, Dali Town, Nanhai District, Foshan City, Guangdong Province, China. The eggs in the clutch are stacked with various ranges. Based on the characteristics of the eggshell, these eggs can be assigned to S. shifengensis. The discovery of S. shifengensis in the Sanshui Formation complements the clutch information about the oospecies as well as expands its paleogeographic distribution, and sets the foundation for discussing the diversity of dinosaur eggs in the Sanshui Basin.

Key words: Sanshui Basin, Guangdong, Late Cretaceous, dinosaur egg, Stalicoolithidae

中图分类号:

Q915.21

朱旭峰, 方开永, 王强, 卢筱洪, 吴伟强, 杜衍礼, 黄志青, 汪筱林. 广东三水盆地发现首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝. 古脊椎动物学报, 2019, 57(1): 77-83.

ZHU Xu-Feng, FANG Kai-Yong, WANG Qiang, LU Xiao-Hong, WU Wei-Qiang, DU Yan-Li, HUANG Zhi-Qing, WANG Xiao-Lin. The first Stalicoolithus shifengensis discovered in a clutch from the Sanshui Basin, Guangdong Province. Vertebrata Palasiatica, 2019, 57(1): 77-83.

图/表 3

Fig. 1 The distribution of dinosaur egg sites in the Sanshui Basin Basin boundary modified from Zhang et al., 2008; stratum distribution according to 1:200000 geological map, F4912, online data. 1. Zhong Village; 2. Meihua Village; 3. Jixiang Road; 4. Baihedong; 5. Pingzhou; 6. North Village; 7. Shijiao Town; 8. Datang Industrial Park; 9. Beijiang Dike; 10. Sanshui Second Bridge; 11. Hekou Geological Team Base

Fig. 2 The clutch of Stalicoolithus shifengensis B 2017-1 from the Sanshui Basin A. incomplete clutch composed of five dinosaur eggs of Stalicoolithus shifengensis in top view, No. 1, 2, 3 are near complete eggs while No. 4, 5 are only egg prints; B. the clutch in lateral view showing the arrangement of the eggs in a different horizontal plane; C, D. magnification figures of No. 2 (C) and No. 3 (D)

Fig. 3 Microstructure of Stalicoolithus shifengensis B 2017-1 from the Sanshui Basin A. radial section of eggshell, showing the boundaries of the cone layer, the inner zone of the columnar layer, the medial zone of the columnar layer and the outer zone of the columnar layer; B. radial section of eggshell (under cross-polarized light); C. radial section through the cone layer, white arrows indicate the position of organic core; D. tangential view of the cone layer, white arrow indicates the position of the organic core; E. radial section through the outer zone of the columnar layer showing the secondary eggshell units arranged in multiple layers; F. tangential view of the outer zone of the columnar layer showing the secondary eggshell units in irregular shaped pores; G-H. tangential views of the medial zone of the columnar layer showing the round and oval pores and their distribution

参考文献 11

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广东三水盆地发现首个始丰石笋蛋(Stalicoolithus shifengensis)蛋窝

The first Stalicoolithus shifengensis discovered in a clutch from the Sanshui Basin, Guangdong Province

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