Rock unit

Popo Agie

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

AhvaytumLovelace et al. 2025
Bones237–227.3 million years ago
EosauropusLockley et al. 2006
Footprints and traces237–201.4 million years ago
GrallatorHitchcock 1858
Footprints and traces237–100.5 million years ago