Isca Dumnoniorum settlement there (modern Caerleon) to be distinguished as "Isca Augusta", while the Devonian Isca was called "Isca Dumnoniorum": Usk of the Dumnonians. Exeter began as settlements on a dry ridge ending in a spur overlooking a navigable river teeming with fish, with fertile land nearby. Although there have been no major prehistoric finds, these advantages suggest the site was occupied early. Coins had been discovered from the Hellenistic kingdoms, suggesting the existence of a settlement trading with the Mediterranean as early as . This is disputed however by Prof T P Wiseman who alleges the hoard was not genuine. Following
Moridunum (Axminster) century and occupation continued until the end of the 4th. Moridunum (Axminster) Moridunum was a fort and small town in the Roman province of Britannia. Its remains are located at Woodbury Farm, immediately south of Axminster in the English county of Devon. The square fort was built at the intersection of two Roman roads, the Fosse Way and Durnovaria-Isca Dumnoniorum road, apparently in the 2nd century. Its ditch survives around much of the site. A civilian settlement soon grew up nearby, encouraged by the building of what has been interpreted as a large stone mansio for the provincial postal service.