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Spirolaxis rotulacatharinea
(Melvill & Standen, 1903)
 
Spirolaxis rotulacatharinea: shell
Maximum size:  3.5 mm shell diameter.

Identification:  This species has a helical shell with a flat margin bordered by granular spiral cords. It is cream, splotched with darker brown.

Natural history:  Shells of  Spirolaxis rotulacatharinea are rare in sand samples from Halimeda kanaloana beds taken at depths of around 10-20 m (33-66 ft).

Distribution:  Maui.

Taxonomic notes:  It's listed in Severns, 2011 as Spirolaxis rotulacatharinae.

Photo:  CP: composite photo, same shell; 3.5 mm in diameter: sand sample from Halimeda kanaloana bed, Airport Beach, Maui; 1999.

Observations and comments:

Note 1:  ( )
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