Position in a system
| 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 | 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 | Prototheria Gill, 1872 |
| order | Platypoda (Gill, 1872) McKenna, 1993 - monotremes |
| family | Ornithorhynchidae Gray, 1825 - platypuse |
| genus | Obdurodon Woodburne & Tedford, 1975 † |
| species | Obdurodon insignis Woodburne & Tedford, 1975 † |
Copyright © 1999-2013 BioLib