Biomphalaria peregrina is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram´s horn snails.

The shell of this species, like all planorbids is sinistral in coiling, but is carried upside down and thus appears to be dextral.

Distribution: The distribution of this species is Neotropical and include: Peru, ...

Phylogeny: A cladogram showing phylogenic relations of species in the genus Biomphalaria: