Genus · Nodosauridae · Cretaceous
Polacanthus
Named by Fox 1866
Polacanthus lived 139.8–121.4 million years ago, during the Valanginian to Barremian stages of the Early Cretaceous. The Paleobiology Database lists 16 fossil records for it from 2 countries (United Kingdom and Spain) — the 74th most of the 99 genera on this site.
Where it sits in time
Key facts from the records
- Its records are spread over at least 9 formations; the largest share, 44%, is from the Wessex Formation.
- Iguanodon appears in 19% of the collections that hold Polacanthus; Mantellisaurus in 6%.
- Its stage range spans about 18.4 million years (13th longest of 99); it is the 9th best-recorded of the 14 armoured & plated dinosaurs here.
2 accepted species
| Species | Named by | Records |
|---|---|---|
| Polacanthus foxii | Grabau 1921 | 5 |
| Polacanthus rudgwickensis | Blows 1996 | 1 |
Where it was found
16 records with coordinates.
Found alongside
Rock formations
States & provinces
| Region | Records | Share |
|---|---|---|
| England | 12 | 75% |
| Castilla y Leon | 2 | 12% |
| Castilla y León | 1 | 6% |
| Valenciana | 1 | 6% |
| Country | Records | Share |
|---|---|---|
| United Kingdom | 12 | 75% |
| Spain | 4 | 25% |
Records by stage
Well-dated records, by the stage of their mid-point age.
Also from these formations
Data: PBDB taxon 52784 · method