Description
Author: Jan Delsing
Text ID: 80941
Text Type: 1
Page: 0
Created: 2015-11-08 20:08:52 - User Delsing Jan
Language: EN
Text function: [[t:1167388,textblock=80941,elang=EN;Description]]
Shell small, fusiform, short, stout, whitish, with three obscure pale brownish spiral bands on the last whorl; nucleus minute, translucent, of about one whorl with somewhat over four subsequent whorls; suture appressed, obscure; spiral sculpture of numerous very fine equal close-set threads over the whole surface; axial sculpture of seven strong rounded somewhat sigmoid ribs, slightly shouldered near the suture, continuous up the spire and obliquely retractive posteriorly; there are no obvious incremental lines; the ribs extend from the canal to the suture on the last whorl; aperture narrow, anal sulcus shallow, rounded; outer lip broadly infolded, smooth within; inner lip smooth, not callous, canal hardly differentiated. Height of shell. 6.2 mm.; of last whorl, 4mm.; diameter, 2.5 mm.
Dall, 1919. Original description.