Parafossarulus crassitesta
Introduction '''''Parafossarulus crassitesta''''' is an extinct species of freshwater snail with gills and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.Glöer (2002) reassigned two European extinct species of ''Parafossarulus'' as a subgenus of the genus ''Bithynia'', but genus ''Parafossarulus'' is generally accepted for Asian species.
Distribution This species occurred in Europe in the Pleistocene Epoch.
References