CollonistaCollonista is a genus of sea snails in the family Colloniidae.Species, the World Register of Marine Species accepts 20 species within the genus Collonista:Collonista amakusaensis Collonista arsinoensis Collonista costulosa Collonista crassilirata Collonista delecta Collonista eroopolitana Collonista glareosa Collonista granulosa Collonista hoatkoe Collonista imperforata Collonista jucunda Collonista kreipli Collonista lenticula Collonista miltochrista Collonista picta Collonista purpurata Collonista rubricincta Collonista solida Collonista thachi Collonista verruca ''Collonista viridula''