| 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
|
| | Protostomia incertae sedis |
| class |
Hyolitha Marek, 1963
† |
| order |
Hyolithida Sysojev, 1957
† |
| family |
Ceratothecidae Fisher, 1962
† |
| genus |
Ceratotheca Novak, 1886
† |
| species |
Ceratotheca adunca (Barrande, 1867)
† |
