Mitra vexillum

Mitra (Nebularia) vexillum, common name : the Vexillate Mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails. According to the World Register of Marine Species (WoRMS) the subgenus Nebularia is an alternate representation, as the species is accepted as Mitra vexillum.