Shell minute, disc-shaped, translucent brown; tightly coiled; lip thin; no umbilicus; upper surface of the whorls ribbed; periphery median.
Shell minute, disc-shaped, translucent brown; tightly coiled; lip thin; no umbilicus; upper surface of the whorls ribbed; periphery median.
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BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia. |