Trivirostra hyalinaTrivirostra hyalina is a species of small sea snail, a marine gastropod mollusk in the family Triviidae, the false cowries or trivias. They are white in colour.DescriptionThe length of the shell attains 4 mm. Individuals can grow up to 5.5 mm in length.DistributionThis marine species occurs off Oceania. In Australia, they were found in New South Wales and Western Australia.