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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)
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