Rock unit

Khuren Dukh

4 dinosaur genera in Omnisaura with fossils from the Khuren Dukh, oldest first. See all rock units.

PsittacosaurusOsborn 1923
Bones161.5–66 million years ago
AltirhinusNorman 1998
Bones110.1–100.5 million years ago
ChoyrodonGates et al. 2018
Bones110.1–100.5 million years ago
FaveoloolithusZhao and Ding 1976
Eggs110.1–66 million years ago