Quasimitra nubilaQuasimitra nubila, common name the particolored mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.DescriptionThe size of the shell varies between 34 mm and 81 mm.DistributionThis species occurs in the Red Sea and in the Indian Ocean off Madagascar and in the Indo-West Pacific