Ancylastrum
Ancylastrum is a genus of air-breathing freshwater limpets, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.
Species
The genus Ancylastrum includes the following species:Ancylastrum cumingianum - Australian freshwater limpetAncylastrum irvinae;Species inquirenda:Ancylastrum dextrorsum Clessin, 1907 Ancylastrum issykulense Clessin, 1907Ancylastrum ovatum Clessin, 1907 Ancylastrum turkestanicum Clessin, 1907