Rock unit

Upper Greensand Formation

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

IguanodonMantell 1825
Bones154.8–100.5 million years ago
PolacanthusFox 1866
Bones139.1–100.5 million years ago
AnoplosaurusSeeley 1879
Bones100.5–93.9 million years ago