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6993-1.jpg (107713 bytes)

 

6994-1.jpg (126250 bytes)

Socienna hebes (Laseron, 1951)

Description (based on syntypes): Shell medium in size for family, conical, moderately wide. Protoconch of 2 whorls, sculptured with strong axial folds. Teleoconch of 6 whorls, weakly convex in outline, suture distinct. Whorls sculptured with 3 strong spiral cords with interspaces equal to width of cords. Spiral cords crossed by weak axial ribs, forming more or less circular beads at intersections; about 28 axials on last whorl. Base with spiral 4 level with top of aperture, spiral 5 below, then smooth, concave. Outer lip of aperture mature, expanded, with crowded axials externally, posterior canal well defined; inner lip with heavy white callus. Anterior canal a deep U-shaped notch. Shell semitranslucent, mid-brown.

Size: Figured syntype 3.7 mm in length

Distribution: Syntypes from off Point Halliday, NSW, in 1518 m. No additional specimens available.

Habitat: Syntypes taken subtidally.

Figs. 1, 2: Off Point Halliday, NSW, in 15-18 m (C.102747 SYNTYPE 1)

 

Copyright Des Beechey 2016