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 Deuterostomia Grobben, 1908
[crown] Clade Ambulacraria Metschnikoff 1881 [Halanych 1995]
Phylum Echinodermata Bruguière, 1789 - echinoderms
Subphylum Eleutherozoa Bell, 1891
Infraphylum Echinozoa Haeckel, in Von Zittell, 1895
Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
Subclass Euechinoidea Bronn, 1860
Superorder Atelostomata von Zittel, 1879 - irregular urchins
Order Spatangoida L. Agassiz, 1840
Suborder Amphisternataᵀ
Family Schizasteridae Lambert, 1905
Genus Abatus Troschel, 1851
Genus Agassizia Valenciennes, 1846
Genus Amphipneustes Koehler, 1900
Genus Brisaster Gray, 1855
Genus Moira Agassiz, 1872
Genus Schizasterᵀ Agassiz, 1836
Genus Tripylaster Mortensen, 1907
Genus Tripylus Philippi, 1845