Alvania emaciata is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.MolluscaBase eds. (2024). MolluscaBase. Alvania emaciata (Mörch, 1876). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=532311 on 2024-01-23
Description The length of the shell attains 2 mm, its diameter is 1.5 mm.
(original description in Latin) The shell is white or rust-coloured. it is thick, and ovate, and has a rather short spire. The upper whorls bear two spiral ridges; the penultimate whorl has three, while the body whorl carries seven. The anterior ridges are smaller. Numerous, evenly spaced riblets cross the shell, forming nodules at their points of intersection. The outer lip is thick and crenulated. Mörch, O. A. L. (1876). Synopsis molluscorum marinorum Indiarum occidentalium imprimis insularum danicarum. Malakozoologische Blätter. 23: 45-58, 87-143
Distribution This species occurs off the Virgin Islands, Caribbean Sea.
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