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Williamia radiata
(Pease, 1861)
 
Williamia radiata: shell
Maximum size:  5.5 mm shell length.

Identification:  This species has a smooth, translucent shell with radiating brown bands. The living animal is cream, densely flecked with orange.

Natural history:  Shells of  Williamia radiata are moderately common in beach drift. Live animals are occasionally seen under rocks in tide pools and subtidally at rocky sites. According to Kay (1979) shells are found in sand samples to depths of 30 m (98 ft).

Distribution:  Maui, Oahu, French Frigate Shoals, Pearl & Hermes Reef and Midway.

Taxonomic notes: 

Photo:  CP: composite photo, two shells; largest 5 mm: beach drift, Mokuleia Bay, Maui; fall, 1983.

Observations and comments:

Note 1:  ( )
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