Description
Author: Jan Delsing
Text ID: 80572
Text Type: 1
Page: 0
Created: 2015-10-24 00:10:04 - User Delsing Jan
Language: EN
Text function: [[t:596696,textblock=80572,elang=EN;Description]]
Shell small, acute, pale olivaceous, with 10 whorls, of which the first nuclear is smooth, the second obscurely peripherally keeled, the subsequent whorls normally sculptured : suture distinct, the periphery of the upper whorls nearer the succeeding than the preceding suture; anal fasciole constricted but crossed by the ribs; spiral sculpture of (on the upper whorls 4 or 5, on the last whorl about 14) strong cords with narrower groove-like interspaces, extending from the fasciole to the canal; the cords not swollen where they cross the ribs; axial sculpture of (on the penultimate whorl 13, on the last whorl 10) rounded ribs with subequal interspaces, strongest at the shoulder, extending from suture to base, the incremental lines rather strong on the fasciole; anal sulcus deep and rounded with callous margin, the outer lip arcuate, thin; the inner lip simple, canal slightly recurved. Height of shell 13 mm; Height of last whorl, 7mm; Diameter 5 mm.
Source: Dall, 1919. Descriptions of New Species of Molluscs of the Family Turritidae from the West Coast of America and Adjacent regions. (Original description)
Distribution
Author: Jan Delsing
Text ID: 80573
Text Type: 3
Page: 0
Created: 2015-10-24 00:11:00 - User Delsing Jan
Language: EN
Text function: [[t:596696,textblock=80573,elang=EN;Distribution]]
Pacific Mexico. Lower California.