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Retusa
sp. #2
 
Retusa sp. #2
Maximum size:  1.5 mm.

Identification:  The shell of this species has an involute apex plus fine axial ribs and spiral striae. The animal is translucent cream.

Natural history:  Retusa sp. #2 is known from only one animal found in a sand sample taken off Keehi Lagoon, Oahu and two shells found in sand samples from depths of 10-20 m (33-66 ft) on Maui.

Distribution:  Maui and Oahu.

Taxonomic notes:  There is some question whether this is actually a Retusa (perhaps, it could be a juvenile haminoeid, instead?). It was first recorded in Hawaii from a sand sample collected at Black Rock, Maui by CP (shells only).

Photo:  CP: 1.5 mm: 2006 CREEF expedition; off Keehi Lagoon, Oahu; Oct. 7, 2006.

Observations and comments:

Note 1:  ( )
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