New ootype prismatoolithids from the Late Cretaceous, Laiyang Basin and its significance

Vertebrata Palasiatica ›› 2018, Vol. 56 ›› Issue (3): 264-272.

New ootype prismatoolithids from the Late Cretaceous, Laiyang Basin and its significance

WANG Qiang, LI Yu-Guang, ZHU Xu-Feng, FANG Kai-Yong, WANG Xiao-Lin

Online:2018-09-15 Published:2018-09-15

山东莱阳晚白垩世棱柱形蛋新属种及其意义

王强，李雨光，朱旭峰，方开永，汪筱林

Abstract

Abstract: Laiyang, Shandong; Late Cretaceous; Jiangjunding Formation; dinosaur eggs, Prismatoolithidae

摘要： 记述了发现于莱阳上白垩统将军顶的半枚蛋化石，据其保存较尖的一端，蛋壳外表面光滑无纹饰，蛋壳较薄，紧密排列的棱柱状壳单元，壳单元边缘由致密的方解石组成，以及气孔较少，气孔呈圆形或椭圆形等特征，将其归入棱柱形蛋科，建立新蛋属新蛋种：梨乡莱阳蛋(Laiyangoolithus lixiangensis oogen. et oosp. nov.)。梨乡莱阳蛋的发现不仅丰富了莱阳恐龙蛋化石群组成，同时也增加了棱柱形蛋类的古地理分布，并为研究伤齿龙类的多样性和古地理分布提供了新的证据。

WANG Qiang, LI Yu-Guang, ZHU Xu-Feng, FANG Kai-Yong, WANG Xiao-Lin. New ootype prismatoolithids from the Late Cretaceous, Laiyang Basin and its significance. Vertebrata Palasiatica, 2018, 56(3): 264-272.

王强，李雨光，朱旭峰，方开永，汪筱林. 2018, 56(3): 264-272, 山东莱阳晚白垩世棱柱形蛋新属种及其意义. 古脊椎动物学报.