Terrestrial gastropods of the Columbia River basin, British Columbia
The Living Landscapes report “Terrestrial Gastropods of the Columbia Basin, British Columbia” went online in 1999, but much of the information in this report is now out-of-date: there have been additional collections and species discovered in the area by the Royal BC Museum, myself and others, name changes, and an overall better understanding of species distributions in the province both within and outside of the Columbia Basin. There does not appear to be any opportunity to update or revise the original report, so this page has been posted to alert users to added species and changes.
In the process of the conversion of the HTML documents to a single PDF, certain characters in the text were lost, most noticeably the degree symbol (°) in geopositions. Thus, for example, 5124'N should read 51° 24’ N”. This is only a problem with the PDF version; the HTML document was unaffected.
The current list of species:
- Cochlicopa lubrica (name change)
- Columella columella
- Columella edentula
- Gastropocopta holzingeri (added — see Forsyth 2004a)
- Vertigo elatior (the literature record, based on material in the Academy of Natural Sciences of Philadelphia, has now been studied and verified)
- Vertigo gouldii
- Vertigo modesta
- Vertigo ovata
- Vallonia cyclophorella
- Vallonia excentrica
- Vallonia pulchella
- Zoogenetes harpa
- Punctum randolphii (“Punctum cf. californicum” is reconsidered; additional material seems to match coastal examples of Punctum randolphii; the then unique specimen seems to be only an exceptionally large one)
- Anguispira kochi
- Discus whitneyi
- Discus shimekii
- Oreohelix strigosa
- Oreohelix subrudis
- Arion rufus
- Arion species
- Magnipelta mycophaga (added)
- Kootenaia burkei (added – K. Ovaska, pers. comm.)
- Prophysaon andersonii (verified anatomically as this species)
- Hemphillia camelus (identified to species)
- Several undetermined Succineidae
- Euconulus fulvus
- Euconulus praticola (several wetland records of “E. fulvus” were reidentified as this species, following my usage in Land Snails of British Columbia)
- Nesovitrea binneyana
- Nesovitrea electrina
- Pristiloma chersinellum
- Zonitoides arboreus
- Zonitoides nitidus
- Vitrina pellucida
- Limax maximus
- Deroceras laeve
- Deroceras reticulatum
- Cryptomastix mullani (this could be a complex of species, but uninvestigated)
- Allogona ptychophora
- Microphysula ingersollii
- Cepaea nemoralis
- Trochulus striolatus (added – see Forsyth 2008
- Zacoleus idahoenis (added – K. Ovaska, pers. comm.)
