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 (E. A. Smith, 1890)
 * Collonia donghaiensis Dong, 1982
 * Collonia granulosa Pease, 1868
 * Collonia incerta (E. A. Smith, 1890)


 * The following species were brought into synonymy:
 * Collonia gestroi Caramagna, 1888 : synonym of Yaronia gestroi (Caramagna, 1888 )
 * Collonia maculosa Pease, 1868 : synonym of Homalopoma maculosa (Pease, 1868)
 * Collonia munda H. Adams, 1873 : synonym of Bothropoma mundum (H. Adams, 1873)
 * Collonia purpurescens Dunker, 1882 : synonym of Homalopoma amussitatum (Gould, 1861)
 * Collonia quantilla Gould, 1861 : synonym of Homalopoma quantillum (Gould, 1861)
 * Collonia rosa Pilsbry, 1904 : synonym of Neocollonia pilula rosa (Pilsbry, 1904)