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Pyrgulina caelatura (Laseron, 1951)

Description: Shell small, relatively wide, spire weakly convex, up to 5 teleoconch whorls. Protoconch coiled (Type B), of about 2 whorls, set on teleoconch with axis inclined at more than 90 to teleoconch. Teleoconch whorls rounded, shouldered, suture well defined, sculptured with strong axial folds, extending onto the base on last whorl, with dense spiral threads in interspaces. Aperture length 1 times width, columella with strong plait. Shell colourless-transparent becoming opaque white with age.

Size: Up to 3 mm in length.

Distribution: The Australian Museum holds specimens from Caloundra, Qld, southwards to Jervis Bay, NSW.

Habitat: Specimens are from beach washup and from dredgings down to 18 m. Common.

Synonymy: Linopyrga pegma Laseron, 1951 is a previously recognised synonym.

Fig. 1: Fly Point, Port Stephens, NSW (C.340791).


Copyright Des Beechey 2017