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

Haplotrema vancouverense (I. Lea, 1839)
Robust Lancetooth
Family: Haplotrematidae
Species account author: Robert Forsyth.
Photo of species

© Robert Forsyth  Email the photographer   (Photo ID #7362)

E-Fauna BC Static Map
Distribution of Haplotrema vancouverense in British Columbia
Details about map content are available here.

Species Information

Shell large, disc-shaped; greenish-yellow, olive-greenish or brown; growth lines and microscopic spiral striae but sculpture not beaded; apertural lip slightly straightened but not conspicuously ?drooping?.

Biology


Snails belonging to the family Haplotrematidae are omnivores. Prey includes earthworms, slugs and snails.

Habitat


This species is common in forests, where it lives under rocks, logs and moss, or deep in forest litter. It is also observed in purely coniferous forests where other large snails are infrequent or absent (Forsyth 2004). Along the BC coast, this species occurs at generally lower elevations (below about 460 m).

Distribution


W North America

Notes


Etymology

Genus from the Greek "haplos" (simple) and "trema" (aperture or hole); the gender is neuter. The species was named for Fort Vancouver, now Vancouver, Washington, where presumably it was first collected.

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
COSEWIC
NativeS5YellowNot 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

Additional Photo Sources

General References


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: 2022-08-08 1:13:21 AM]
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