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Psilaxis radiatus (Roding,
1798)

Maximum size:
16 mm shell diameter (Severns, 2000).
Identification:
Shells
of
this species are disc-like and smooth with the
exception of marginal cords. They are cream with a
spiral subsutural brown band and radiating brown
lines. They may be distinguished from the shells of
Psilaxis oxytropis
by their smaller protoconchs that lack brown
staining.
Natural history:
Shells
of
Psilaxis radiatus
are rare in beach drift. Live animals are
occasionally found in mixed habitats at about 1 m (3
ft). According to Kay (1979), they occur in sand to
50 m (164 ft) and feed on corals of the genus Porites.
Distribution:
Maui
and Oahu: widely distributed in the Indo-Pacific.
Taxonomic notes:
It is listed in Kay, 1979 as Philippia radiata
(Roding, 1798).
Photo:
CP: Hekili Point, Maui; Nov. 22, 2004(?).
Observations and
comments:
Note 1:
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