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CAECIDAE

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Caecum amputatum Hedley, 1893

Description: Shell minute, curved, tapering or not tapering, sculpture restricted to fine, irregular encircling growth lines,. Closed end with beaked plug, open end sometimes thickened externally. Shell colourless transparent, becoming opaque white with age.

Size: Up to 2.5 mm in length.

Distribution: Endemic to Australia: Moreton Bay, Queensland, southwards and around southern Australia to South Australia, including King Island but not Tasmania.

Habitat: Unknown. Available specimens were collected as empty shells.

Comparison: Differs from C. lilianum but having a smooth shell.

Fig. 1: Clarence River mouth, Yamba, NSW (C.228155)

Fig. 2: The Spit, Middle Harbour, Sydney, NSW (C.228170)