Height 102.7 mm, Width 58.5 mm

Shell large, thick, broadly-fusiform, consists of 6-6.5 very convex whorls, separated by a deep channeled sutura. The body whorl occupies about 2/3 of the shell height. Spiral sculpture consists of distinct rounded cords (12-14 on the body whorl, 5-8 on the penultimate whorl), unequal in width. Aperture is wide, rounded. white, occupies more than 1.2 of the shell height. Inner lip is covered with thick white callus. Outer lip is thick, with projection, which corresponds to spiral cords. Siphon is short, wide, turned to the left. Periostracum is thin, brownish or greenish. Color of shell is gray or light-brownish.
[Egorov, 1994]

Kurile Islands, Japan, at depth of 400-600 m. Rare.