| Argalista imperforata | |
|---|---|
 | |
| Shell of Collonista imperforata (specimen at the Museum of New Zealand) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Colloniidae |
| Subfamily: | Colloniinae |
| Genus: | Argalista |
| Species: | A. imperforata |
| Binomial name | |
| Argalista imperforata (Suter, 1908) | |
Argalista imperforata is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Colloniidae. [1]