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CERITHIOPSIDAE |
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Socienna hebes (Laseron, 1951) Description (based on syntypes): Shell medium in size for family, conical, moderately wide. Protoconch of 2¼ whorls, sculptured with strong axial folds. Teleoconch of 6½ 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 15–18 m. No additional specimens available. Habitat: Syntypes taken subtidally. Figs. 1, 2: Off Point Halliday, NSW, in 15-18 m (C.102747 SYNTYPE 1) |
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