New turtle egg fossil from the Upper Cretaceous of the Laiyang Basin, Shandong Province, China

Abstract

A new type of turtle egg fossil was established: Emydoolithus laiyangensis oogen. et oosp. nov.. Based on its elliptical morphological shape, rigid eggshells, and eggshell characteristics, it is different from other types of round chelonian egg fossils. It is the second chelonian egg fossil found in Cretaceous in China. This discovery shows the Laiyang ecosystem in Late Cretaceous is more diversified than previously thought.

Keywords

• ovo fóssil de tartaruga
• Formação Jingangkou
• Cretáceo Superior
• Bacia Laiyang
• Província de Shandong