Shell medium-sized, disc-shaped; brown, nearly smooth; periostracum only hairy in young; aperture with a generaly well-developed parietal denticle; lip thickened and expanded.
© Robert Forsyth (Photo ID #7724)
Shell medium-sized, disc-shaped; brown, nearly smooth; periostracum only hairy in young; aperture with a generaly well-developed parietal denticle; lip thickened and expanded.
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BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia. |