Description
Author: Jan Delsing
Text ID: 111653
Text Type: 1
Page: 0
Created: 2021-10-11 00:38:13 - User Delsing Jan
Last change: 2021-10-11 00:38:36 - User Delsing Jan
Language: EN
Text function: [[t:586056,textblock=111653,elang=EN;Description]]
Shell small for the genus, slender, acute, pale chestnut brown with a smooth periostracum, and five and a half whorls exclusive of the nucleus which is blunt and includes a whorl and a half: suture well defined, not appressed, whorls moderately rounded: axial sculpture only of faint incremental lines; spiral sculpture of obscure striae, about three to a millimeter, with wider flattish interspaces over the whole surface; aperture narrow, outer lip thin, sharp; body erased; pillar slightly concavely arcuate, attenuated in front, the axis pervious: canal hardly differentiated from the aperture; height of shell. 41; of last whorl, 27; diameter, 14 mm. TL S. Nat. Mus. Cat. No. 110770.
Dredged in Aniwa Bay. Sakhalin Island, by the United States Bureau of Fisheries steamer Albatross, at station 5009, in 25 fathoms, mud, bottom temperature 38.5° F.
The operculum has a slightly coiled nucleus approaching that of Mohnia, but the habit of the shell is that of the elongate Volutopsius.
Dall W.H. (1925). Illustrations of unfigured types of shells in the collections of the United States National Museum.