Position in a system
species
Crenobia alpina (Dana, 1766)
| 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 | Platyhelminthes Minot, 1876 - flatworms |
| subphylum | Turbellaria Ehrenberg, 1831 |
| order | Seriata |
| suborder | Tricladida |
| infraorder | Paludicola - Freshwater Planarians |
| family | Planariidae |
| genus | Crenobia Kenk, 1930 |
| species | Crenobia alpina (Dana, 1766) |