Collonia
# 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)
