Cyclostrema exiguum is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description The diameter of the shell is 2.3 mm. The shell is rather widely umbilicated. It has a subdiscoidal shape with radiating riblets fimbriating four spiral carinae.
Distribution This species occurs in the Indian Ocean off Madagascar, Réunion and in the Gulf of Aden.
References
Dautzenberg, Ph. (1929). Contribution à l'étude de la faune de Madagascar: Mollusca marina testacea. Faune des colonies françaises, III (fasc. 4). Société d'Editions géographiques, maritimes et coloniales: Paris. 321–636, plates IV-VII pp.
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