Slovakia is a land-locked country, and therefore the molluscs of Slovakia are all land and freshwater species. There are 247 species of molluscs living in the wild in Slovakia. In addition there are 9 gastropod species living only in greenhouses. There are a total of 219 species of gastropods, which breaks down to 51 species of freshwater gastropods, and 168 species of land gastropods, plus 28 species of bivalves living in the wild. Summary table of number of species There are 2 extinct species in Slovakia (locally extinct): Theodoxus transversalis and Esperiana esperi.