Costapex jolivetiCostapex joliveti is a species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.DescriptionVexillum joliveti is a small, underwater sea snail, with a shell size of between 14 and 18 mm.DistributionThis species occurs in the following locations: Bismarck Sea Papua New Guinea Philippines East China Sea