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Heliacus areola (Gmelin,
1791)

Maximum size:
15 mm shell diameter (Severns, 2000).
Identification:
The
shells of this species are more strongly inflated
than those of most architectonicids. There are four
beaded cords per whorl and a relatively narrow
umbilicus. It has a terraced operculum.
Natural history:
Shells
of Heliacus
areola are moderately rare in beach drift.
Live animals are occasionally found in shallow rocky
habitats in association with zoanthids.
Distribution:
Maui
and Oahu: widely distributed in the Indo-Pacific.
Taxonomic notes:
This species is listed in Kay, 1979 as Heliacus variegatus
(Gmelin, 1791). It's also illustrated in Severns
(2011) on page 398 (mislabeled as Architectonica
perspectiva).
Photo:
CP: near McGregor Point, Maui; Oct. 4, 2003(?).
Observations and
comments:
Note 1:
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