Rock unit

Zhutian

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

ElongatoolithusZhao 1975
Eggs143.1–66 million years ago
HadrosauropodusLockley et al. 2003
Footprints and traces121.4–66 million years ago
MacroolithusZhao 1975
Eggs100.5–66 million years ago
PinnatoolithusFang et al. 2009
Eggs100.5–66 million years ago
LanceoloolithusFang et al. 2009
Eggs83.6–72.2 million years ago