Etrema scalarina is a species of sea snail, a marine gastropod mollusc in the family Clathurellidae.
Description The shell grows to a length of 9 mm. The shell is whitish, with a narrow chestnut or chocolate sutural band, and another below the middle of the body whorl only.George Washington Tryon, Manual of Conchology vol. VI p. 296; 1884 (described as Clathurella scalarina)
Distribution This species occurs in the Indian Ocean along Madagascar, Réunion; in the Central Pacific Ocean.
References
Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
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