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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