Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade "neomura" Cavalier-Smith 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
Clade neozoa Cavalier-Smith 1993
Clade scotokaryotes Cavalier-Smith 2000
Clade podiates Cavalier-Smith 2012
[crown] Clade Amorphea Adl et al. 2012
[crown] Clade Opisthokonta Cavalier-Smith 1987
Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith 2008
Kingdom Animalia Linnaeus, 1758 - animals
Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
Subkingdom Bilateria Hatschek, 1888 - bilaterians
Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
Infrakingdom Protostomia Grobben, 1908
Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
Panarthropoda Nielsen, 1995 - panarthropods
Tactopoda Budd, 2001
Phylum Arthropoda Siebold, 1848 - arthropods
Euarthropoda
Antennulata
Subphylum Mandibulata Snodgrass, 1938
Infraphylum Pancrustacea Zrzavý & Štys, 1997
Oligostraca
Ichthyostraca Zrzavý et al., 1997
Subclass Branchiura Thorell, 1864 - fish lice
Order †Cyclida Schram, Vonk & Hof, 1997, nom. corr.
1.1 Family †Cyclidaeᵀ Packard, 1885
1.2 Family †Schraminidae Dzik, 2008 [monotypic]
1.3 Family †Americlidae Dzik, 2008 [monotypic]
1.4 Family †Halicynidae Gall & Grauvogel, 1967, nom. corr.
2 Family †Hemitrochiscidae Trauth, 1918
3 Family †Mesoprosopidae Glaessner, 1928 [monotypic]
4 Genus †Juracyclus
5 Genus †Stagmacaris Schweigert, 2006