Shell small, fragile, ovate-globose, pale greenish-yellow; body of the shell small, truncate at the summit; outer whorl large; aperture about twice the length of the body of the shell, and projecting above it, broadly rounded both posteriorly and anteriorly; outer lip inflexed at the middle; pillar profoundly arcuate, with a narrow delicate callus. Length, 3.10 inch; breadth, 1.5 inch. (Gould.)

Vancouver Island to Gulf of California.