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
Micrura Hansen & Sørensen, 1904
Acaromorpha Dubinin, 1957
Subclass Acari Leach, 1817 - mites and ticks
Superorder Acariformes Zakhvatkin, 1952 - mitelike mites
Order Trombidiformes Reuter, 1909
Suborder Prostigmata Kramer, 1877
Infraorder Anystina van der Hammen, 1972
Hyporder Parasitengona Oudemans, 1909
Hydrachnidia Krantz, 1978 - water mites
Euhydrachnidia Witte & Olomski, 1991
Neohydrachnidia Witte & Olomski, 1991
Superfamily Lebertioidea Thor, 1900
Family Sperchontidae Thor, 1900
Subfamily Sperchontinaeᵀ Thor, 1900
Genus Sperchonᵀ Kramer, 1877
Sperchon brevirostris Koenike, 1895
Sperchon clupeifer Piersig, 1896
Sperchon denticulatus Koenike, 1895
Sperchon glandulosus Koenike, 1886
Sperchon hibernicus Halbert
Sperchon hispidus Koenike
Sperchon longirostris Koenike, 1895
Sperchon longissimus Viets, 1920
Sperchon ornatus Halbert
Sperchon papillosus Thor, 1901
Sperchon setiger Thor, 1898
Sperchon squamosus Kramer, 1879
Sperchon thienemanni Koenike
1 Subgenus Sperchon (Sperchon)ᵀ Kramer, 1877
2 Subgenus Sperchon (Acadiosperchon) Habeeb, 1959
3 Subgenus Sperchon (Hispidosperchon) Thor, 1901
4 Subgenus Sperchon (Palpisperchon) Lundblad, 1941