Description
Author: Jan Delsing
Text ID: 117754
Text Type: 1
Page: 0
Created: 2022-08-18 14:03:51 - User Delsing Jan
Language: EN
Text function: [[t:1413811,textblock=117754,elang=EN;Description]]
Shell of medium size (up to 8.5 mm in examined specimens), ovate-conic, with five convex whorls thin; apex acute and smooth, corneous-buff periostracum; teleoconch sculptured irregularly with prosocline growth lines; spire conic and acute; suture crenulated; last whorl swollen, occupying about three fourths of total length; aperture broad, almost oval, slightly over half the shell height; columella twisted above, very slightly truncated above the base of the aperture; parietal callus thin, peristome simple and very thin.
Measurements of illustrated specimen (MNHN-CL 201792): H: 8.5 x D: 5.0 mm; 4.25 whorls.
Previous known records: Robinson Crusoe Island (Masatierra): Rabanal, Puerto Ingles, around Portezuelo, Centinela Ridge, Masatierra and beneath Damajuana (ODHNER, 1922).
New records: Chile, Region of Valparaiso, Juan Fernandez Archipelago, Robinson Crusoe Island, El Yunque square (33°39'09"S 78°50,38"W, 299 m, MJR-loc-05).
Miquel S.E. & Araya J.F. (2015). New records of terrestrial molluscs of the Juan Fernândez Archipelago (Chile), with the description of a new genus and species of Charopidae (Gastropoda: Stylommatophora).