Rock unit

Xiguayuan

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

Eubrontes(Hitchcock 1845)
Footprints and traces237–100.5 million years ago
ChangpeipusYoung 1960
Footprints and traces201.4–100.5 million years ago
JialingpusZhen et al. 1983
Footprints and traces161.5–132.6 million years ago
CaririchniumLeonardi 1984
Footprints and traces143.1–93.9 million years ago