Rock unit

Sousa

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

GrallatorHitchcock 1858
Footprints and traces237–100.5 million years ago
CaririchniumLeonardi 1984
Footprints and traces143.1–93.9 million years ago
MoraesichniumLeonardi 1979
Footprints and traces143.1–125.77 million years ago