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underside
 

young shell




 
Otopleura mitralis
A. Adams, 1854
 
Otopleura mitralis
Maximum size:  15 mm shell length (Kay, 1979).

Identification:  This species has an inflated shell with three folds on the columella. It is mottled-white with occasional brown streaks. There are broad, straight axial ribs and young shells have spiral folds inside the aperture. The animal is cream with opaque-white flecks.

Natural history:  Shells of Otopleura mitralis are moderately common in beach drift. It's a nocturnal sand dweller that is occasionally found in protected mixed habitats and Halimeda kanaloana beds at depths of 1-10 m (3-33 ft).

Distribution:  Maui, Oahu, Kauai, French Frigate Shoals and Midway: widely distributed in the Indo-Pacific.

Taxonomic notes: 

Photo:  CP: Hekili Point, Maui; March 8, 2009.

Observations and comments:

Note 1:  ( )
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