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
[crown] Phylum Cnidaria Hatschek, 1888 [coordinate rank] - cnidarians
[crown] Subphylum Medusozoa Petersen, 1979
[crown] Class Hydrozoa Owen, 1843
"A-forms"
Order Anthoathecatae
Suborder Capitata Kühn, 1913 () sensu stricto
1 Family Acaulidae Fraser, 1924
1 Family Candelabridae Stechow, 1921
1 Family Cladocorynidae Allman, 1872
1 Family Halocordylidae
1 Family Hydridae Dana, 1846
1 Family Polyorchidae
1 Family Protohydridae Allman, 1888
1.1 Family Corynidae Johnston, 1836
1.1 Family Zancleidae Russell, 1953
1.2 Family Pennariidae McCrady, 1859
1.4 Family Corymorphidae Allman, 1872
1.5 Family Tubulariidae Goldfuss, 1818
1.6 Family Margelopsidae Mayer, 1910
1.7 Family Cladonematidae Gegenbaur, 1857
1.8 Family Eleutheriidae
2 Family Moerisiidae Poche, 1914
3 Family Milleporidae Fleming, 1828
4.1 Family Porpitidae Brandt, 1835
4.2 Family Velellidae Brandt, 1835