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Ficus subintermedia (Orbigny, 1852)

Description: Shell large, inflated, light in weight. Spire low, sutures weakly channelled. Sculptured with 20-25 primary spiral ribs, those below shoulder with three secondary threads in each interspace; strength of secondaries almost equal to primaries in some shells. Axial sculpture of dense threads, weaker than primary spirals in strength. Outer lip thin, smooth internally; columella smooth. Colour fawn, irregularly marked with brown; usually with five lighter spiral bands with squarish brown patches.

Size: Up to 95 mm in length.

Distribution: Indo-West Pacific to Sydney, NSW.

Habitat: Lives on sand subtidally, down to 80 m. Common in the tropics, rare in NSW.

Synonym: Ficus margaretae Iredale, 1931 is a synonym based on a specimen, probably subfossil, dredged from Sydney Harbour.

Figs. 1,2: Off Tin Can Bay, Queensland, in 55 m (C.385492)


Copyright Des Beechey 2000