Rock unit

Walloon Coal Measures

2 dinosaur genera in Omnisaura with fossils from the Walloon Coal Measures, oldest first. See all rock units.

ChangpeipusYoung 1960
Footprints and traces201.4–100.5 million years ago
GarbinaSalisbury et al. 2016
Footprints and traces174.7–121.4 million years ago