Fossils found in Hertfordshire
The Paleobiology Database records 82 fossil occurrences of 42 genera in Hertfordshire, United Kingdom. Every fossil site is shown on the map; colours show the main group found there. Counties are modern administrative areas, assigned from each collection’s coordinates using Natural Earth boundaries (public domain).
Dots are fossil collections in the Paleobiology Database on today’s map, merged where closer than about 5 km. See them on the ancient Earth →
What fossils have been found in Hertfordshire?
The genera with the most fossil records in Hertfordshire include Turdus, Scolopax, Tyto, Pervushovisaurus, Paracestracion, Baculites.
Prehistoric birds (3 genera)
Pterosaurs (1 genera)
1 more genera recorded.
Ichthyosaurs (1 genera)
Plesiosaurs & kin (2 genera)
Plesiosaurus · 1 more genera recorded.
Crocodile relatives (1 genera)
1 more genera recorded.
Ancient fish & sharks (17 genera)
Paracestracion · 16 more genera recorded.
Ammonites & nautiloids (17 genera)
Baculites · 16 more genera recorded.
Fossil occurrences: Paleobiology Database (CC0 as reported by the API; CC BY 4.0 policy), downloaded 23 October 2026. Genus pages quote Wikipedia (CC BY-SA 4.0).