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Acteocina
sp. #1
 
Acteocina sp. #1
Maximum size:  3.8 mm (extrapolated from shell length).

Identification:  This species has a thin, transparent shell with fine axial ribs and spiral striae. It differs from the shell of Acteocina hawaiensis in lacking opaque white bands and having a concave shoulder. As in A. hawaiensis, the spire is variable in height. The animal is translucent-cream with white flecks, some of which show through the transparent shell.

Natural history:  Acteocina sp. #1 is a moderately common burrowing species found in sand patches and sand-saturated algal turf at moderately protected to moderately exposed sites. It appears to be confined to depths of less than 3 m (10 ft) and is usually found at depths of less than 1 m (3 ft).

Distribution:  Maui.

Taxonomic notes:  It's also listed in Severns, 2011 as Acteocina sp. 1. It was first recorded in Hawaii at Hekili Point, Maui by CP in May, 1991.

Photo:  CP: Hekili Point, Maui; Oct. 5, 2002.

Observations and comments:

Note 1:  ( )
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