Description
Author: Jan Delsing
Text ID: 107435
Text Type: 1
Page: 0
Created: 2021-03-19 20:15:31 - User Delsing Jan
Language: EN
Text function: [[t:585756,textblock=107435,elang=EN;Description]]
Shell small, fusiform, purplish brown, with a very small smooth translucent nucleus of about three whorls, and four subsequent whorls: suture obscure, closely appressed; spiral sculpture of (between the sutures six) flattish equal close-set uniform cords, of which there are about 14 on the last whorl, with a few smaller threads on the canal: these cords are cut into squarish granules by numerous narrow axial grooves the interspaces on the earlier whorls having a somewhat riblike aspect: this sculpture is fairly uniform over the entire shell except the nucleus: there is no evident anal fasciole: aperture narrow, anal sulcus prominent, rounded: outer lip internally thickened and with about six short coarse lirae: inner lip callous, with four or five short lirations on the pillar, canal very short, deeply cut, contracted. Height of shell. 6; of last whorl, 3.5; diameter. 2 mm. In beach drift at Panama: James Zetek.
Dall, W.H., 1919. Descriptions of New Species of Molluscs of the Family Turritidae from the West Coast of America and Adjacent regions.