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Austrocochlea concamerata (Wood, 1828) Description: Body whorl sculptured with about 15 spiral ribs. Interior of aperture unlined, porcelain-white, overlaying a nacreous layer. Outer lip sharp, simple. Columella with one or two teeth anteriorly; umbilicus closed. External colour black, usually with oblique or zigzag yellow or white stripes, or with regularly spaced yellow flashes on spiral ribs. Size: Average 20 mm, maximum 27 mm high. Distribution: Endemic to Australia; Port Stephens, NSW, to Houtman Abrolhos, WA, including Tas. Habitat: In cracks, under ledges or under rocks in the intertidal zone on the open coast and in bays. Comparison: Flatter than A. constricta and A. porcata, with more numerous ribs. Figs. 1,2: Angourie Point, NSW (C.351465) |
