Talopena calyculus is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2026). MolluscaBase. Talopena calyculus (W. Wood, 1828). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1783430 on 2026-06-06
Description A syntype of Talopena calyculus has a diameter of 17.1 mm.
Talopena calyculus is of similar size to Talopena maestratii but is more depressed, has weaker, less angular spiral cords, stronger axial sculpture between the cords, and a less prominent umbilical funicle with almost no reflection at the columellar lip.
Distribution This marine species occurs off India, Sri Lanka, Indonesia, the Philippines, Japan and Australia.
References
External links Wood, W. (1828). Supplement to the Index Testaceologicus; or A catalogue of shells, British and foreign. Richard Taylor, London. iv [+1 + 59 pp., plates 1-8.]