E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia

Helisoma anceps (Menke, 1830)
Two-ridge Ramshorn
Family: Planorbidae
Introduction to the Molluscs of BC
Photo of species

© Ian Gardiner  Email the photographer   (Photo ID #74142)
E-Fauna BC Static Map
Distribution of Helisoma anceps in British Columbia
Details about map content are available here.

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)		COSEWIC
NativeS5?YellowNot Listed
BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Additional Range and Status Information Links

NatureServe Explorer

Additional Photo Sources

Flickr Image Search
Google Image Search
Images from Calphoto

General References

Google Scholar Search
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2021. E-Fauna BC: Electronic Atlas of the Fauna of British Columbia [efauna.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2025-07-12 6:11:15 PM]
Disclaimer: The information contained in an E-Fauna BC atlas pages is derived from expert sources as cited (with permission) in each section. This information is scientifically based.  E-Fauna BC also acts as a portal to other sites via deep links.  As always, users should refer to the original sources for complete information.  E-Fauna BC is not responsible for the accuracy or completeness of the original information.

© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC