Description
Author: Jan Delsing
Text ID: 112666
Text Type: 1
Page: 0
Created: 2021-11-21 20:53:09 - User Delsing Jan
Language: EN
Text function: [[t:1808239,textblock=112666,elang=EN;Description]]
Material Examined. Not represented in Santa Maria Basin voucher collection, although this species is common to the south of Point Conception. Material examined: 136 LACM lots.
Description. Relatively large, color medium brown, especially showing at aperture; whorls flat-sided and bulging toward base; 4 major spiral cords per whorl, with minor cords between; axial ribs broadly spaced, producing beads and elongate, rectangular cancellations where intersecting with spiral cords. Height 10-14 mm.
Type Locality and Type Specimens. Off San Pedro, Los Angeles County, California, 4 fathoms. Lectotype (here designated): USNM 195156.
Distribution. Gaviota, Santa Barbara County, California (34°N), to south of Bahia Magdalena, Baja California Sur (24°N). Usually not occurring near offshore islands.
Habitat Common on mud bottoms, 30-100 m.
Remarks. The elongate cancellations produced by this species in the early whorls are distinctive.
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.