Profil taxonu
Popis
Shell small, subcorneal, apex to one side, epidermis thin, light-colored, smooth, exterior of shell dark reddish-brown; with a few ribs; siphonal mark is quite perceptible, the siphonal groove forms an extension of the edge of the shell. Aperture elongate oval. Color of interior is a dark brown, with a light border around the margin. (Oldroyd.)
Source: Oldroyd, I.S. 1927 . The Marine Shells of the West Coast of North America. Volume IIa
Rozšíření
Aleutian Islands to the Straits of Juan de Fuca.
Autor: Jan Delsing
Odkazy a literatura
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Siphonaria thersites Carpenter, 1864]Datum citace: 21. červenec 2015