|
|
PYRAMIDELLIDAE |
|
|
|
Turbonilla hedleyi (Laseron, 1951) Description: Shell medium size, very elongate and slender, up to 10 whorls. Protoconch coiled (Type B), of about 2 whorls, set on teleoconch with axis inclined at about 110° to teleoconch axis. Teleoconch whorls weakly convex, sculptured with about 20 strong axial folds, on last whorl terminating level with top of aperture; spiral sculpture of numerous weak threads. Aperture teardrop-shaped, columella without plaits. Shell translucent, colourless to mid brown, sometimes with a pale brown band around middle of whorls, becoming opaque with age. Size: Up to 7 mm in length. Distribution: Endemic to Australia: Port Stephens, NSW, southwards to Twofold Bay, NSW. Habitat: Known from beach washup and subtidally down to 53 m. Moderately common. Comparison: Similar to Turbonilla fusca but more slender with less convex whorls. Fig. 1: Twofold Bay, NSW (C.340965); Dried animal inside shell. |
|
