Planorbella columbiensis, commonly known as the caribou ramshorn, is a species of freshwater snail found in only one site, on Lac la Hache, in British Columbia, Canada.

[1][2] This species is listed as "possibly extinct".

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

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