| 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 |
Arthropoda Gravenhorst, 1843 - arthropods
|
| | Arthropoda incertae sedis |
| superclassis |
Artiopoda Hou & Bergström, 1997
† |
| class |
Trilobita Walch, 1771 - trilobites
† |
| order |
Ptychopariida Swinnerton, 1915
† |
| | Ptychopariida incertae sedis |
| family |
Catillicephalidae Raymond, 1938
† |
| genus |
Buttsiella M. Romanenko in Romanenko & Romanenko, 1967
† |
