| 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 |
| subdivisio | Protostomia Grobben, 1908 - protostomes |
| phylum | Arthropoda - Arthropods |
| subphylum | Crustacea BrĂ¼nnich, 1772 - Crustaceans |
| class | Malacostraca Latreille, 1802 |
| subclass | Eumalacostraca Grobben, 1892 |
| superorder | Peracarida Calman, 1904 |
| order | Isopoda Latreille, 1817 - pillbugs |
| suborder | Asellota |
| superfamily | Aselloidea |
| family | Asellidae Latreille, 1802 |
| genus | Caecidotea Packard, 1871 |
| species | Caecidotea fustis Lewis, 1981 |