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Ventomnestia villica
(Gould, 1859)
 
Ventomnestia villica
Maximum size:  6 mm.

Identification:  This species has a thick, cylindrical shell with spiral striae and variably developed spiral brown bands. The animal is translucent gray flecked with white and brown.

Natural history:  Ventomnestia villica is a common species found in mixed habitats at protected to moderately exposed sites and in Halimeda kanaloana beds from < 1 to 29 m (< 3 to 95 ft). It's nocturnal, burying itself in sand during the day.

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

Taxonomic notes:  This is the species listed as Cylichna pusilla (Pease, 1860) in Kay, 1979 and it's listed as Ventomnestia bizonata in Severns, 2011. It was first reported from Hawaii in Pease, 1860 (as Haminea pusilla). Some authors list it as Ventomnestia girardi (Audouin, 1826) and it is listed in Pilsbry, 1921 and Edmondson, 1946 as Mnestia pusilla. It is also listed in some sources as Ventomnestia bizona (A. Adams, 1850). It's listed in Severns, 2000 as Cylichna pusilla (although the photo is of  Liloa porcellana).

Photo:  CP: dark; 5 mm: Mokolea Point, Maui; July 23, 2005.

Observations and comments:

Note 1:  ( )
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