| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Animalia Linnaeus, 1758 - animals |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 - bilaterians |
| subdivisio | Protostomia Grobben, 1908 - protostomes |
| phylum | Mollusca Cuvier, 1795 - mollusks |
| subphylum | Conchifera Gegenbaur, 1878 - shell-bearers |
| superclassis | Cyrtosoma |
| class | Gastropoda Cuvier, 1795 - gastropods |
| subclass | Patellogastropoda Lindberg, 1986 - Limpets |
| family | Nacellidae Thiele, 1891 |
| genus | Cellana Adams, 1869 |
| species | Cellana grata (Gould, 1859) |
| subspecies | Cellana grata stearnsi H.A. Pilsbry, 1891 |