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Obrázky
Popis
Shell white, solid, smooth, with faint traces of revolving striae, spire acute; embryonal whorls very minute, not mammillate; suture distinct, not channeled. Canal very short, wide, straight; aperture rounded, outer lip thickened, strongly waved behind; posterior angle not acute. Whorls seven, evenly tapering, not inflated. Length, 2; width, 9; aperture and canal, .92; long, spire, 1.08; width of aperture, .4 in. (Dall.)
TYPE in United States National Museum. Type locality, St. Paul Island, Bering Sea.
RANGE. Pribilof Islands, Bering Sea.
(as Volutopsius callorhinus)
TYPE in United States National Museum. Type locality, St. Paul Island, Bering Sea.
RANGE. Pribilof Islands, Bering Sea.
(as Volutopsius callorhinus)
Oldroyd, I.S. The Marine Shells of the West Coast of North America. Volume II.1.
Autor: Jan Delsing