Rock formation · Jurassic · Portugal
Alcobaça Formation
The Alcobaça Formation holds 5 genera from this site (20th of 26 formations), in 10 fossil records. Its dinosaur-bearing records date to the Kimmeridgian (154.8–149.2 Ma), with finds in Centro.
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 |
|---|---|---|---|---|
| Allosaurus | 5 | 154.8–145 Ma | Theropods | 3% |
| Dacentrurus | 2 | 154.8–145 Ma | Armoured & plated dinosaurs | 6% |
| Camarasaurus | 1 | 154.8–145 Ma | Sauropodomorphs | 1% |
| Ceratosaurus | 1 | 154.8–145 Ma | Theropods | 3% |
| Stegosaurus | 1 | 154.8–145 Ma | Armoured & plated dinosaurs | 1% |
Age ranges of its genera
Overall stage range of each genus (all formations).
Where it crops out
Fossil records with coordinates.
Groups present
Theropods (2), armoured & plated dinosaurs (2), sauropodomorphs (1).