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.

The distribution of this species is Neotropical and include: Peru, ... A cladogram showing phylogenic relations of species in the genus Biomphalaria:[1] Biomphalaria stanleyi Biomphalaria pfeifferi Biomphalaria camerunensis Biomphalaria sudanica Biomphalaria choanomphala Biomphalaria alexandrina Biomphalaria smithi Biomphalaria glabrata Biomphalaria kuhniana Biomphalaria straminea Biomphalaria straminea Biomphalaria intermedia Biomphalaria amazonica Biomphalaria sp.

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