Cornovii (Cornwall) Dumnoniorum (present day Exeter), it is likely that he only listed Roman places, not purely native sites. Of these, there has been speculation that Voliba might be a place in Cornwall and Tamara is assumed to be on the River Tamar, the border between Cornwall and Devon. Ptolemy's list is supplemented by the problematical Ravenna Cosmography, which lists sixteen names before Isca Dumnoniorum (which is listed as "scadum namorum", showing some of the problems of this source) and which have therefore been assumed to be west of Exeter. Several have been identified as most likely in Devon, leaving "purocoronavis" (the
Isca sullo Ionio for the new community, would be called Isca Marina. Nine centuries earlier, the area now known as Isca Marina, was the original town location for the ancestors of Isca, until invasions of outsiders, forced the towns people, to higher ground. Now many hundreds of descendants of the original town location have come home. While some homes were built in the late 1940s in the marina, it was not until the early 1950s that roads, sidewalks, and the town square were built. A water supply was established in 1951. Electricity reached the town in 1953. The elementary school was completed for