Position in a system
<< Go back one level - Placentalia
| system | Vitae - living organisms |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| Opisthokonta Cavalier-Smith, 1987b | |
| superregnum | Unikonta |
| kingdom | Animalia Linnaeus, 1758 - animals |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 |
| subdivisio | Deuterostomia - deuterostomes |
| phylum | Chordata Bateson, 1885 - chordates |
| subphylum | Vertebrata Cuvier, 1812 - vertebrates |
| infraphylum | Gnathostomata Zittel, 1879 - jawed vertebrates |
| superclassis | Tetrapoda Gaffney, 1979 - four-limbed vertebrates |
| class | Mammalia Linnaeus, 1758 - mammals |
| subclass | Theriiformes (Rowe, 1988) McKenna & Bell, 1997 |
| infraclass | Placentalia |
| infraclass | Holotheria (Wible et al., 1995) McKenna & Bell, 1997 |
| sectio | Theria (Parker & Haswell, 1897) McKenna & Bell, 1997 |
| sectio | Trechnotheria |
| legio | Cladotheria |
| order | Rodentia - rodents |
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