Latirus vexillulumLatirus vexillulum is a species of sea snail, a marine gastropod mollusc in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.DescriptionThe size of the shell varies up to 50 mm and is biconic, containing nine whorls.DistributionAll instances of this marine species have occurred in Caroline Island, Southern Line Islands, Kiribati.