Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
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
Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
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
Clade Micrura Hansen & Sørensen, 1904
Clade Pantetrapulmonata Shultz, 2007
Clade Tetrapulmonata Shultz, 1990
Superorder Serikodiastida Garwood & Dunlop, 2014
Order Araneida Clerck, 1757 - spiders
Suborder Araneae Clerck, 1757 - tailless spiders
Infraorder Opisthothelae Pocock, 1892 - unsegmented spiders
Clade Araneomorphae Smith, 1902
Clade Synspermiata Michalik & Ramírez, 2014
Clade "lost tracheae clade"
Superfamily Tetrablemmoidea Pickard-Cambridge, 1833 [monotypic]
Family Tetrablemmidaeᵀ Pickard-Cambridge, 1873, orth. praeval.
Genus Tetrablemmaᵀ Pickard-Cambridge, 1873
01 Tetrablemma alterum Roewer, 1963
02 Tetrablemma benoiti (Brignoli, 1978)
03 Tetrablemma brevidens Tong & Li, 2008
04 Tetrablemma brignolii Lehtinen, 1981
05 Tetrablemma deccanense (Tikader, 1976)
06 Tetrablemma extorre Shear, 1978
07 Tetrablemma helenense Benoit, 1977
08 Tetrablemma loebli Bourne, 1980
09 Tetrablemma magister Burger, 2008
10 Tetrablemma manggarai Lehtinen, 1981
11 Tetrablemma marawula Lehtinen, 1981
12 Tetrablemma mardionoi Lehtinen, 1981
13 Tetrablemma medioculatumᵀ O. P.-Cambridge, 1873
14 Tetrablemma okei Butler, 1932
15 Tetrablemma phulchoki Lehtinen, 1981
16 Tetrablemma rhinoceros (Brignoli, 1974)
17 Tetrablemma samoense Marples, 1964
18 Tetrablemma thamin Labarque & Grismado, 2009
19 Tetrablemma viduum (Brignoli, 1974)
20 Tetrablemma vietnamense Lehtinen, 1981