安徽休宁早白垩世蜂窝蛋新类型

doi:10.19615/j.cnki.2096-9899.250930

古脊椎动物学报 ›› 2026, Vol. 64 ›› Issue (3): 294-300.DOI: 10.19615/j.cnki.2096-9899.250930CSTR: 32090.14.j.cnki.2096-9899.250930

• • 上一篇

安徽休宁早白垩世蜂窝蛋新类型

茅磊¹^,², 王强³^,^*(), 黄建东¹^,², 朱旭峰⁴, 陈岩滨⁵, 汪筱林³^,⁶

¹ 安徽省地质博物馆合肥 230071
² 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
³ 中国科学院古脊椎动物与古人类研究所，脊椎动物演化与人类起源重点实验室北京 100044
⁴ 国家自然博物馆北京 100050
⁵ 安徽省地质调查院(安徽省地质科学研究所) 合肥 230001
⁶ 中国科学院大学北京 100049

收稿日期:2025-06-30 出版日期:2026-07-20 发布日期:2026-07-27
基金资助:
国家自然科学基金(42372008);国家自然科学基金(42288201);安徽省自然资源科技项目(2023-K-16);安徽省自然资源科技项目(2024-K-5);北科萌芽计划(24CE-BGS-14);北京市政府资助

New oospecies of Parafaveoloolithus from the Lower Cretaceous of Xiuning, Anhui Province

MAO Lei¹^,², WANG Qiang³^,^*(), HUANG Jian-Dong¹^,², ZHU Xu-Feng⁴, CHEN Yan-Bin⁵, WANG Xiao-Lin³^,⁶

¹ Anhui Geological Museum Hefei 230071
² Observation and Research Station of Stratigraphy, Paleontology and Environmental Geology in Chaohu, MNR Hefei 230071
³ Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences Beijing 100044
⁴ Natural History Museum of China Beijing 100050
⁵ Geological Survey of Anhui Province (Anhui Institute of Geological Sciences) Hefei 230001
⁶ University of Chinese Academy of Sciences Beijing 100049

Received:2025-06-30 Published:2026-07-20 Online:2026-07-27
Contact: * wangqiang@ivpp.ac.cn

摘要/Abstract

摘要：

记述了皖南地区休宁县发现的一窝由12枚蛋化石组成的不完整蛋窝。依据恐龙蛋近圆形，蛋壳较薄，平均厚度约为1 mm, 蛋壳由一层壳单元组成，局部发育2-3层次生壳单元，蛋壳弦切面气孔呈蜂窝状，蛋壳中部孔径在0.14-0.34 mm, 气孔密度为12个/mm²等特征将其归入副蜂窝蛋属(Parafaveoloolithus), 因与其他已发现的副蜂窝蛋类相区别而建立一新蛋种：皖南副蜂窝蛋(Parafaveoloolithus wannanensis oosp. nov.)。皖南副蜂窝蛋的发现不仅丰富了皖南地区蛋化石类型的多样性，还拓宽了蜂窝蛋类的古地理分布，为皖南地区白垩纪地层的对比提供了更多的古生物学证据。

关键词: 安徽休宁, 早白垩世, 恐龙蛋, 蜂窝蛋科

Abstract:

Here we describe an incomplete dinosaur egg nest composed of 12 subspherical dinosaur eggs from Xiuning, southern Anhui Province, China. The eggshell measures about 1 mm in average thickness and is generally comprised of only one layer, although 2-3 layers of eggshell unit can be seen in some places of the eggshell radial section. The pore canals appear honeycomb-like in tangential section, and are characterized by a density of 12 per mm² in the middle part of eggshell, and diameters between 0.14 and 0.34 mm. Based on these characteristics, we erect Parafaveoloolithus wannanensis oosp. nov. to accommodate the eggs from Xiuning, which clearly belong to Parafaveoloolithus but differ from all previously known oospecies within the Faveoloolithidae. This occurrence of the new oospecies P. wannanensis increases the diversity of dinosaur egg types in southern Anhui Province, extends the previously known distribution of Parafaveoloolithus, and provides more paleontology evidence to help comparison of the Cretaceous strata of southern Anhui Province.

Key words: Xiuning, Anhui Province, Late Cretaceous, dinosaur egg, Faveoloolithidae

中图分类号:

Q915.21

茅磊, 王强, 黄建东, 朱旭峰, 陈岩滨, 汪筱林. 安徽休宁早白垩世蜂窝蛋新类型. 古脊椎动物学报, 2026, 64(3): 294-300.

MAO Lei, WANG Qiang, HUANG Jian-Dong, ZHU Xu-Feng, CHEN Yan-Bin, WANG Xiao-Lin. New oospecies of Parafaveoloolithus from the Lower Cretaceous of Xiuning, Anhui Province. Vertebrata Palasiatica, 2026, 64(3): 294-300.

图/表 6

Fig. 1 Clutch of Parafaveoloolithus wannanensis oosp. nov. (AGB 6267) found from Weiqiao Town, Xiuning County

Fig. 2 Microstructure of Parafaveoloolithus wannanensis oosp. nov. (AGB 6267) from Weiqiao, Xiuning in radial section A. relatively loose eggshell units and larger pores distributed between eggshell units; B. closely packed eggshell units and multilayered secondary eggshell units (arrows showing the mammillae of the secondary eggshell units)

Table 1 Measurements of Parafaveoloolithus wannanensis from Weiqiao, Xiuning (cm)

Egg number	Polar axis	Equatorial diameter	Shape index (%)
1	13.77	12.56	91.21
2	14.31	12.86	89.87
4	14.26	12.52	87.80
8	14.22	12.76	89.73
Average	14.14	12.77	89.64

Fig. 3 Microstructure of Parafaveoloolithus wannanensis oosp. nov. (AGB 6267) from Weiqiao, Xiuning in tangential section A. tangential section through the inner part of the eggshell, showing the arrangement of the mammillae, the distinct mammilla boundaries, and the irregular distribution of pore canals between them; B. tangential section nearly passing through the inner part of the eggshell, showing the irregularly shaped pore canals; C-D. tangential section through the middle part of the eggshell, showing the honeycomb-like pore arrangement, the round to elliptical pore shape (C), and the variation in pore size (D), and arrows showing some secondary eggshell units

Table 2 The main characteristics of various Parafaveoloolithus oospecies (mm)

Ootaxa	Polar axis	Equatorial diameter	Thickness of eggshell	Diameter of pores	Density of pores (/mm²)
P. microporus¹⁾	141.06 149.12	129.44	2.20-2.35	0.06-0.25	35
P. macroporus¹⁾	130 135	100	1.85-1.90	0.04-0.64	12
P. tiansicunensis¹⁾	-	-	1.37-1.45	0.10-0.42	17
P. guoqingsiensis²⁾	187	177	1.40-1.50	-	55-60
P. pingxiangensis³⁾	73.2	138.1	1.40-1.60	0.06-0.21	50
P. xipingensis⁴⁾	170	143	1.70-2.00	-	-
P. fengguangcunensis⁴⁾	150-170	-	1.60	-	-
P. wannanensis⁵⁾	141.4	127.7	1.00	0.14-0.34	12

Fig. 4 Contrast of different oospecies of Parafaveoloolithus in eggshell radial section A. P. microporus; B. P. macroporus; C. P. tiansicunensis; D. P. wannanensis oosp. nov.; E. P. guoqingsiensis; F. P. pingxiangensis

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安徽休宁早白垩世蜂窝蛋新类型

New oospecies of Parafaveoloolithus from the Lower Cretaceous of Xiuning, Anhui Province

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