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 Tardigrada Doyère, 1840 - tardigrades
Class Heterotardigrada Marcus, 1927 - armored tardigrades
Order Arthrotardigrada Marcus, 1927 - arthrotardigrades
Family Halechiniscidae Thulin, 1928
1 Subfamily Tanarctinae Renaud-Mornant, 1980
1.1.0 [Genus "Arctinarctus"]
see Genus Actinarctus Schulz, 1935
2 Subfamily Dipodarctinae L.W. Pollock, 1995
2.1.0 [Genus Hemitanarctus Grimaldi de Zio et al., 1996]
see Genus Dipodarctus L.W. Pollock, 1995
3 Subfamily Florarctinae Renaud-Mornant, 1982
4 Subfamily Halechiniscinaeᵀ Thulin, 1928
5 Subfamily Orzeliscinae Schulz, 1963
6 Subfamily Styraconyxinae Kristensen & Renaud-Mornant, 1983
7 Subfamily Euclavarctinae Renaud-Mornant, 1983
x [Subfamily Archechiniscinae Binda, 1978]
see Family Archechiniscidae Binda, 1978