Shell small, disc-shaped, brown, with growth lines and ribs that extend equally strongly onto the base of the shell.
© Robert Forsyth (Photo ID #324)
Shell small, disc-shaped, brown, with growth lines and ribs that extend equally strongly onto the base of the shell.
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BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia. |
Discus cronkhitei Baxter (1987) Gonyodiscus cronkhitei Berry (1922) Pyramidula cronkhitei Dall (1905) Pyramidula striatella |