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Chrysallida exserta (Laseron, 1951)

Description: Shell medium size, elongate, moderately wide, spire convex in outline, about 5 teleoconch whorls, last whorl of total shell length. Protoconch infolded, type C. Whorls rounded, upper ones more convex than lower ones, sculptured with strong axial folds that fade out before lower suture; base of last whorl smooth. Aperture wide, no columella fold. Shell translucent white becoming opaque with age.

Size: Holotype 3.6 mm in length.

Distribution: Endemic to Australia. Known from Yamba, NSW, southwards to Crookhaven, NSW.

Habitat: Subtidal, 5585 m. Very uncommon in NSW.

Fig. 1: Off Crookhaven, NSW in 5564 m (C.105372 HOLOTYPE). Photo Australian Museum.


Copyright Des Beechey 2017