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PYRAMIDELLIDAE |
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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 ½ 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, 55–85 m. Very uncommon in NSW. Fig. 1: Off Crookhaven, NSW in 55–64 m (C.105372 HOLOTYPE). Photo Australian Museum. |
Copyright Des Beechey 2017