Description
Author: Jan Delsing
Text ID: 112696
Text Type: 1
Page: 0
Created: 2021-11-22 15:25:49 - User Delsing Jan
Language: EN
Text function: [[t:545505,textblock=112696,elang=EN;Description]]
Description. Shell relatively large, thin; whorls 4; spire elevated; umbilicus narrow; parietal wall thin, edge straight, reflected to partially obstruct umbilicus; spiral sculpture of fine striae; axial sculpture of growth increments; light brown under thin brown periostracum; periostracum shaggy within umbilicus; operculum corneous, paucispiral, filling aperture. Length 40-70 mm.
Type Locality and Type Specimens. Santa Catalina Island, California, "in deep water." Holotype: CAS 064315.
Distribution. Yachats, Lincoln County, Oregon [LACM 61-47.2] (44.5°N), to Islas San Benito, Baja California [LACM 39-114.9] (28°N).
Habitat Soft bottoms, 30-400 m.
Remarks. Specimens in the LACM collection are well represented throughout the range of the species. The inner and outer lips are sharp and thin in growing specimens, becoming thicker and stronger in mature specimens.
McLean J.H. & Gosliner T.M. (1996) Taxonomic atlas of the benthic fauna of the Santa Maria Basin and Western Santa Barbara Channel. Vol. 9, Pt. 2: The Mollusca: The Gastropoda.