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 Echiniscoidea Richters, 1926
Family Echiniscidaeᵀ Thulin, 1928
Genus Pseudechiniscus Thulin, 1911
Pseudechiniscus asper Abe Utsugi & Takeda
Pseudechiniscus facettalis Petersen, 1951
Pseudechiniscus holmeni 1957
Pseudechiniscus islandicus (Richters, 1904)
Pseudechiniscus jiroveci Bartos, 1963
Pseudechiniscus juanitae Barros, 1939
Pseudechiniscus novaezeelandiae (Richters, 1908)
Pseudechiniscus papillosus X. Li et al., 2005
Pseudechiniscus pseudoconifer Ramazzotti, 1943
Pseudechiniscus ramazzottii Maucci, 1952
Pseudechiniscus scorteccii Franceschi, 1952
Pseudechiniscus sinensis Rahm, 1937
Pseudechiniscus suillus (Ehrenberg, 1853)
Pseudechiniscus tridentifer Bartos, 1935
Pseudechiniscus victor (Ehrenberg, 1853)