Aclis didyma is a species of sea snail, a marine gastropod mollusk in the family Eulimidae.MolluscaBase eds. (2024). MolluscaBase. Aclis didyma E. A. Smith, 1890. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=532324 on 2024-02-28
Description The length of the shell attains 2.5 mm, its diameter 0.66 mm.
Distribution This species occurs in the Atlantic Ocean off Saint Helena.
References
External links Smith, E. A. (1890). Report on the marine molluscan fauna of the island of St. Helena. Proceedings of the Zoological Society of London. 1890(2): 247-317, pls. 21-24