Tribe Coretini Higher classification Helisoma | Superfamily Planorboidea Subfamily Bulininae Genus Helisoma Rank Species | |
Similar Helisoma, Halipegus eccentricus, Planorbella trivolvis, Physella gyrina, Planorbella |
Helisoma anceps, common name the two-ridge rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Distribution
This species is distributed from Mexico, through the Central United States, to central Canada.
It was introduced to Europe.
References
Helisoma anceps Wikipedia(Text) CC BY-SA