This is a small species. The Vexillum tusum shell the upper one occupies is less than 10mm long. The one in the top two photos was under a rock on a lagoon reef, and those in the bottom three were on the seaward reef.
A young one in a small Cerithiid photographed by Stan Jazwinski.
A very small individual in the shell of Vexillum infaustum.
Created 10 August 2018
Updated 22 October 2022