Turbonilla beddomei (Petterd, 1884)
Description: Shell medium size for genus, broad, up to 7 teleoconch whorls. Protoconch coiled (Type B), of about 2 whorls, set on teleoconch with axis inclined at about 110° to teleoconch axis. Teleoconch whorls rounded, sculptured with about 14 strong, widely spaced, curved axial folds, on last whorl terminating level with top of aperture, sometimes fading out on last whorl; no spiral sculpture. Aperture wide, columella without plaits. Shell opaque white.
Size: Up to 4.5 mm in length.
Distribution: Endemic to Australia: Sydney, NSW, southwards and around southern Australia to south-western WA, including Tas.
Habitat: Shallow subtidal, common in beach washup.
Synonymy: Elodiamea vincula Laseron, 1951 is a previously recognised synonym.
Remarks: Vafiadis (2007) described the external characters of the animal and figured the head-foot.
Fig. 1 Twofold Bay, NSW (C.341713).
Copyright Des Beechey 2016