Popis
Autor: Jan Delsing
Text ID: 106806
Text Type: 1
Page: 0
Založeno: 01.03.2021 18:13:09 - Uživatel Delsing Jan
Poslední změna: 01.03.2021 19:18:16 - Uživatel Delsing Jan
Language: EN
Odkazová funkce: [[t:1142934,textblock=106806,elang=EN;Popis]]
Shell small, elevated turbinate, white, polished, umbilicated. Sculpture consisting of exceedingly fine microscopical spiral striae, more distinct on the umbilicus. Colour white. Spire conical, outlines convex, a little higher than the aperture. Protoconch minute, sphaerical, of 1 smooth translucent whorl. Whorls 5, regularly increasing, convex, the last rounded at the periphery ; base convex. Suture deep. Aperture circular, slightly angled above. Peristome continuous, sharp, not thickened. Columella arcuate, thin. Umbilicus narrow, deep. Operculum horny, multispiral. Diameter, 1,5 mm. ; height, 2 mm. New Zealand: Snares, in 50 fathoms (Captain Bollons). The type is from Tasmania, and it has also been found in South Australia and Victoria.
Suter, H. 1913. Manual of the New Zealand Mollusca.