Ancillista rosadoi is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae.
Description Ancillista rosadoii is an olive-hued marine snail measuring about 24mm long.
Distribution This species occurs in the West Indian Ocean near Mozambique.
References
http://www.bagniliggia.it/WMSD/HtmSpecies/2013009248.htm