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
Subphylum Chelicerata Heymons, 1901
Euchelicerata Weygoldt & Paulus, 1979
Prosomapoda Lamsdell, 2013
Planaterga Lamsdell, 2013
Dekatriata Lamsdell, 2013
Sclerophorata Kamenz, Staude & Dunlop, 2011
Class Arachnida Lamarck, 1801
Subclass Dromopoda Shultz, 1990 [paraphyletic]
Stomothecata Shultz, 2007, sedis mutabilis
Order Scorpiones Koch, 1837 - scorpions
Suborder Neoscorpionina Thorell & Lindström, 1885
Infraorder Orthosterni Pocock, 1911
Parvorder Iurida Soleglad & Fet, 2003
Superfamily Scorpionoidea Latreille, 1802
Family †Palaeopisthacanthidae Kjellesvig-Waering, 1986
Genus †Palaeopisthacanthusᵀ Petrunkevitch, 1913