Rock unit

Wessex Formation

13 dinosaur genera in Omnisaura with fossils from the Wessex Formation, oldest first. See all rock units.

MegalosaurusParkinson 1822
Bones201.4–113.2 million years ago
CetiosaurusOwen 1841
Bones174.7–119.57 million years ago
IguanodonMantell 1825
Bones154.8–100.5 million years ago
HypsilophodonHuxley 1870
Bones143.1–100.5 million years ago
MantellisaurusPaul 2007
Bones143.1–119.57 million years ago
PolacanthusFox 1866
Bones139.1–100.5 million years ago
ValdosaurusGalton 1977
Bones137.05–121.4 million years ago
BaryonyxCharig and Milner 1986
Bones132.6–121.4 million years ago
OrnithopsisSeeley 1870
Bones132.6–119.57 million years ago
BrighstoneusLockwood et al. 2021
Bones125.77–121.4 million years ago
CalamosaurusLydekker 1891
Bones125.77–119.57 million years ago
CeratosuchopsBarker et al. 2021
Bones125.77–121.4 million years ago
ComptonatusLockwood et al. 2024
Bones125.77–121.4 million years ago