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Acteonidae
The family
Acteonidae includes acteonoideans with large, well calcified
shells that have obvious spires. Parapodia are absent and the aperture
can usually be closed with a chitinous operculum. Most species are
nocturnally active burrowers that feed on polychaete worms. There are
at
least three species in Hawaii belonging to one genus (Pupa).
In 2003, a 17.5 mm shell that appeared to be a worn Acteon virgatus (Reeve,1842)
was
offered on an on-line auction site. It was labeled "Oahu, Hanaunau;
dredged in sand." No other information is available. Also, Pilsbry, 1921 refers to shells of Pupa nitidula
(Lamarck, 1816) collected from Hawaii by Newcomb but suggests that the
collection location is questionable. We've seen no evidence of the
species.
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