Biomphalaria havanensis
Biomphalaria havanensis, common name the ghost rams-horn, 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. "Biomphalaria havanensis" is a Neotropical species. Distribution of "Biomphalaria havanensis" include: It was found as a native transplant in: Phylogeny. A cladogram showing phylogenic relations of species in the genus "Biomphalaria":