Fossils found in Carmarthenshire

The Paleobiology Database records 297 fossil occurrences of 72 genera in Carmarthenshire, 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 Carmarthenshire?

The genera with the most fossil records in Carmarthenshire include Ampyx, Orthoceras, Calymene.

Ammonites & nautiloids (7 genera)

Orthoceras · 6 more genera recorded.

Trilobites & sea scorpions (65 genera)

Ampyx, Calymene · 63 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).