Pholadomya is a genus of saltwater clams, marine bivalve molluscs in the family Pholadomyidae. Fossils species within this genus lived during the Mesozoic era, in the opening South Atlantic, between present-day Brazil and Africa. In the Triassic of Argentina, Austria, Hungary and Italy fossils have been found. They are found in the Jurassic of the , La Guajira, Colombia among many other places. Of Campanian age, this genus is widespread as a fossil in Cameroon, France, Poland, Austria, Germany and the United States. Fossils up to the Neogene have been found in Belgium, the United Kingdom, and Venezuela (Pliocene and ) and Miocene Bulgaria, Chile, Colombia, Cyprus, Germany, India, Japan, Malta, Moldova, New Zealand, Panama, Poland, Russia, Slovakia, Trinidad and Tobago and Venezuela. Today