Rock unit

Gates

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

ColumbosauripusSternberg 1932
Footprints and traces121.4–93.9 million years ago
GypsichnitesSternberg 1932
Footprints and traces121.4–100.5 million years ago
IrenesauripusSternberg 1932
Footprints and traces121.4–100.5 million years ago
OrnithomimipusSternberg 1926
Footprints and traces121.4–66 million years ago
TetrapodosaurusSternberg 1932
Footprints and traces121.4–89.8 million years ago