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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.

Pupa pudica

Pupa tessellata

Pupa
sp. #1
 
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