Muddy Sandstone

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

CaririchniumLeonardi 1984
Footprints and traces143.1–93.9 million years ago
MagnoavipesLee 1997
Footprints and traces132.6–66 million years ago
HadrosauropodusLockley et al. 2003
Footprints and traces121.4–66 million years ago