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Bolma guttata millegranosa (Kurodo & Habe in Habe, 1958)

Description: Shell width about equal to height, with rounded whorls and a row of open-fronted downward directed spines on periphery. Dorsal surface sculptured with spiral rows of beads, about 8 rows above periphery on last whorl. Base rounded, with 6 spiral rows of beads. Umbilicus closed, columella smooth; columella callous extending onto base as white glaze. Colour pink with irregularly placed brown splashes; base fawn, columella white, interior nacreous with yellow region on parietal wall. Operculum calcareous, white, convex externally.

Size: Australian specimens up to 40 mm in height.

Distribution: Australia and Japan. In Australia, Swain Reefs, Queensland, to Tweed Heads, NSW.

Habitat: Known from 146-228 m in Australia. Uncommon.

Fig. 1,2: Off Swain Reefs, Queensland (C.301344)


Copyright Des Beechey 2004