Collonia
Collonia is a genus of small sea snails with calcareous opercula, marine gastropod mollusks in the family Colloniidae.
Species
Species within the genus Collonia include:Collonia admissa Collonia donghaiensis Dong, 1982Collonia granulosa Pease, 1868Collonia incerta;The following species were brought into synonymy:Collonia gestroi Caramagna, 1888: synonym of Yaronia gestroi Collonia maculosa Pease, 1868: synonym of Homalopoma maculosa Collonia munda H. Adams, 1873: synonym of Bothropoma mundum Collonia purpurescens Dunker, 1882: synonym of Homalopoma amussitatum Collonia quantilla Gould, 1861: synonym of Homalopoma quantillum Collonia rosa Pilsbry, 1904: synonym of ''Neocollonia pilula rosa''