Rock formation · Cretaceous · United Kingdom
Wessex Formation
The Wessex Formation holds 7 genera from this site (14th of 26 formations), in 32 fossil records. Its dinosaur-bearing records date to the Hauterivian to Barremian (132.6–121.4 Ma), with finds in England.
Genera recorded here
Records in this formation, and the share of each genus's total records that come from it.
| Genus | Records here | Age | Group | Share of genus |
|---|---|---|---|---|
| Iguanodon | 13 | 139.8–113.2 Ma | Ornithopods | 10% |
| Polacanthus | 7 | 139.8–121.4 Ma | Armoured & plated dinosaurs | 44% |
| Valdosaurus | 5 | 139.8–121.4 Ma | Ornithopods | 42% |
| Mantellisaurus | 3 | 132.6–113.2 Ma | Ornithopods | 18% |
| Cetiosaurus | 2 | 168.2–125.77 Ma | Sauropodomorphs | 7% |
| Baryonyx | 1 | 132.6–121.4 Ma | Theropods | 8% |
| Megalosaurus | 1 | 168.2–113.2 Ma | Theropods | 2% |
Age ranges of its genera
Overall stage range of each genus (all formations).
Where it crops out
Fossil records with coordinates.
Groups present
Ornithopods (3), theropods (2), sauropodomorphs (1), armoured & plated dinosaurs (1).