Thalotia tiaraeides is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. The name etymology is derived from the neutral Greek nouns of tiara (ÃÂùìÃÂñ) and species (õïô÷ö), referencing the gastropod's shape reminiscent of an ancient tiara.
Thalotia tiaraeides is a small white top snail of the Cantharidinae subfamily. The smooth polished shell has a moderately elevated spire with partly-sutured angulated keel making up the gastropod shell. 6 main granular spiral cords rest on the last whorl along with a thick peripheral keel. Up to 10 low, narrow spinal cords lies on the slight convex base of the shell, with a columellar expansion partially covering the deep umbilicus.
The adult shell size is considered small for its genus -- with a height up to 6.6 mm and a width of 6.4mm.
This marine species occurs off the Austral Islands and French Polynesia.