Asperdaphne hayesiana (Angas, 1871)
Description: Aperture equal to or less than half total shell length. Whorls rounded; axial sculpture of fine threads, about 25-35 on penultimate whorl, crossed by spiral threads of about same strength, or sometimes alternating large and small; about 6-12 on penultimate whorl; nodules at intersections. Inner lip of aperture thinly glazed with spiral sculpture showing through; outer lip thin, with deep rounded V shaped sinus at upper end, separated from suture by thin callus strip. Colour fawn or white.
Size: Up to 18 mm in length.
Distribution: Endemic to Australia; Port Stevens to Sydney, NSW.
Habitat: Taken in 4-27 m. Rare.
Comparison: See A. brenchleyi.
Fig. 1: Lane Cove River, NSW (C.011917)
Copyright Des Beechey 2004