Biomphalaria andecola

Biomphalaria andecola 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; it includes Peru.

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