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CAECIDAE |
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Parastrophia cygnicollis (Hedley, 1904) Description: Shell minute, tubular. First section a protoconch of two coiled whorls, extending into a straight expanding tube, terminating in varix around the tube. Second section an expanding tube about four times length of first section with weak encircling growth rings; aperture simple, circular. Shell colourless transparent, becoming opaque white with age Size: Up to 5 mm in length. Distribution: Endemic to Australia: Masthead Island, Capricorn Group, Queensland, southward and around southern Australia to south-western WA, excluding Tasmania. Habitat: All the available specimens were collected as empty shells, from beach washup and from dredging down to 37 m. Very uncommon. Fig. 1: Chinamans Beach Middle Harbour, NSW (C.360610) Fig. 2: Holotype figure from Hedley (1904, p. 189, pl. 8, figs. 12-14) |
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