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 discaria Cavalier-Smith, 2021
Clade dorsates Cavalier-Smith, 2021
Clade podiates Cavalier-Smith, 2012
[crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
[crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
[crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
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
Altocrustacea
Miracrustacea
Superclass Hexapoda Latreille, 1825
Cercophora
Suborder Dicellurata (Cook, 1896) Pages, 1959
Superfamily Iapygoidea Lubbock, 1873
Family Iapygidaeᵀ Haliday, 1864
Subfamily Iapyginaeᵀ (Haliday, 1864) Womersley, 1939
Genus Occasjapyx Silvestri, 1948
1 Occasjapyx americanus (MacGillivray, 1893)
2 Occasjapyx californicus Silvestri, 1948
3 Occasjapyx caroltoni Allen, 1988
4 Occasjapyx kofoidi (Silvestri, 1928)
5 Occasjapyx sierrensis Smith, 1959