Rock unit

Ulaanoosh

3 dinosaur genera in Omnisaura with fossils from the Ulaanoosh, oldest first. See all rock units.

ParafaveoloolithusZhang 2010
Eggs143.1–66 million years ago
BegYu et al. 2020
Bones106.3–93.9 million years ago
DictyoolithusZhao 1994
Eggs106.3–72.2 million years ago