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Phasianotrochus
eximius (Perry,
1811)
Description;
Shell smooth and glossy, sculptured with evenly spaced spiral grooves,
about 4 on the spire whorls and 8-10 on the body whorl; further
secondary microscopic spiral grooves between these primaries. Outer lip
simple, columella with one tooth towards the anterior in mature
specimens. Interior iridescent blue-green. External colouration
variable; uniform olive-green, or reddish brown, or with white or green
and white axial streaks.
Size:
Up to 40 mm high, typically 20 mm.
Distribution:
Endemic to Australia; Caloundra, Qld, to Dongara, WA, including Tas.
Habitat:
On seaweed, in pools and in semi-protected areas, on the open coast, at
low tide and below. Uncommon live in the intertidal zone, but common as
a beach shell.
Comparison:
Several similar but smaller species occur in southern Australia, but
they do not extend into NSW.
Figs.
1,2,3: Balmoral, Middle Harbour, NSW (C.350928)
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