Planorbella columbiensis

Planorbella columbiensis, commonly known as the caribou ramshorn, is a species of freshwater snail found in only one site in British Columbia, Canada.[1][2]

Planorbella columbiensis

Critically endangered, possibly extinct  (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Superorder: Hygrophila
Family: Planorbidae
Genus: Planorbella
Species:
P. columbiensis
Binomial name
Planorbella columbiensis
(F.C.Baker, 1945)
Synonyms[2]
  • Helisoma columbiense F. C. Baker, 1945
  • Planorbella (Pierosoma) columbiense [sic] (incorrect gender ending)
  • Planorbella (Pierosoma) columbiensis (F. C. Baker, 1945) · alternative representation
  • Planorbella columbiense [sic] (incorrect gender ending)

This species is listed as "possibly extinct". Its last observation was in 1945. [3]

Description

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The height of the shell can be as much as 10 mm (0.39 in), and its greater diameter 19 mm (0.75 in).[citation needed]

References

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  1. ^ a b Ormes, M.; Lepitzki, D. (2018) [errata version of 2017 assessment]. "Planorbella columbiensis". IUCN Red List of Threatened Species. 2017: e.T69626424A123785622. doi:10.2305/IUCN.UK.2017-3.RLTS.T69626424A69633178.en.
  2. ^ a b Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2024). "Planorbella columbiensis (F. C. Baker, 1945)". MolluscaBase. World Register of Marine Species. Retrieved 23 July 2024.
  3. ^ Johnson, P.D., A.E. Bogan, K.M. Brown, N.M. Burkhead, J.R. Cordeiro, J.T. Garner, P.D. Hartfield, D.A.W. Lepitzki, G.L. Mackie, E. Pip, T.A. Tarpley, J.S. Tiemann, N.V. Whelan, and E.E Strong (2013). "Conservation status of freshwater gastropods of Canada and the United States". Fisheries. 38 (6): 247–282. Bibcode:2013Fish...38..247J. doi:10.1080/03632415.2013.785396.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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