Description
Author: Jan Delsing
Text ID: 128243
Text Type: 1
Page: 0
Created: 2023-10-12 16:52:02 - User Delsing Jan
Language: EN
Text function: [[t:645302,textblock=128243,elang=EN;Description]]
Senobolma exotica Okutani, 1969: 138, text-fig. 2, 3.
DIAGNOSIS. Differs from 6. (Senobolma) venusta in having low, rounded gemmae on the upper three spiral cords of early spire whorls, the gemmae becoming progressively more fused into axial ridges down the shell, so that on the last whorl they form short, rounded, very strongly prosocline ridges.
DIMENSIONS. Holotype: height 12.2 mm, diameter 9.8 mm; paratype: height 12.9 mm, diameter 10.7 mm.
TYPE LOCALITY. 26°46.0'N, 135°22.5'E, 644 km off Cape Shiono-Misaki, Japan, 435 m. TYPES. Holotype, NSMT, with one paratype.
Beu, A.G. & Ponder, W.F., 1979. A revision of the species of Bolma Risso, 1826 (Gastropoda: Turbinidae).