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Asperdaphne brenchleyi (Angas, 1877)

Description: Shell with rounded whorls and a wide, shallow groove below the suture. Axial sculpture of oblique ribs below the shoulder, about 14-15 on the penultimate whorl, becoming obsolete on the body whorl. Entire surface sculptured with raised spiral threads, about 10-12 on penultimate whorl. Columella smooth, outer lip crenulate in mature shells, with a rounded V shaped sinus at suture. Colour cream or fawn, interior of aperture light brown.

Size: Up to 19 mm in length.

Distribution: Endemic to Australia; Port Stephens to Twofold Bay, NSW.

Habitat: Taken in 12-100 m. Moderately common.

Comparison: A. versivestita has strong axial ribs on early whorls, with fine axial threads between. A. brenchleyi has strong, oblique axial ribs, with no fine axial threads. A. hayesiana has many fine axial threads but no strong axial ribs. A. hayesiana is like Daphnella botanica, but is a heavier shell, with a deeper sinus, and a shorter aperture.

Fig. 1:  Port Stephens, NSW (C.011637)

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Copyright Des Beechey 2004