| 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 |
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
|
| subclass |
Amniota Haeckel, 1866
|
| infraclass |
Diapsida Osborn, 1903
|
| cohors |
Lepidosauromorpha
|
| superorder |
Sauropterygia
† |
| order |
Plesiosauria Blainville, 1835
† |
| family |
Elasmosauridae Cope, 1869
† |
| genus |
Styxosaurus Welles, 1943
† |
| species |
Styxosaurus browni Welles, 1952
† |
