|
|
PYRAMIDELLIDAE |
|
|
|
Megastomia subcarina (Laseron, 1951) Description: Shell medium size, up to 7 teleoconch whorls, last whorl half of total shell length, spire convex in outline. Protoconch coiled (Type B), of about 2 whorls, set on teleoconch with axis inclined at more than 90° to teleoconch. Teleoconch whorls smooth, rounded, last whorl weakly angled in immature shells. Aperture teardrop-shaped, length twice the width; columella with single moderately strong plait. Shell colourless transparent becoming opaque white with age. Size: Up to 5 mm in length, usually less than 3 mm. Distribution: Endemic to Australia: Yamba, NSW, southwards to Twofold Bay, NSW. Moderately common. Habitat: A few specimens from beach washup but mainly subtidal, down to 183 m. Moderately common. Fig. 1: Middle Harbour, Sydney. Dredged in 4 m (C.342570). |
|
