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
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Myopterygii - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Teleostomi Bonaparte, 1836
Euteleostomi - bony vertebrates
Clade Sarcopterygii Romer, 1955
[crown] Rhipidistia Cope, 1887
Clade Tetrapodomorpha Ahlberg, 1991
Clade Osteolepidimorpha
Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
[crown] Clade Neotetrapoda
Clade Reptiliomorpha Säve-Söderbergh, 1934
Batrachosauria
[crown] Clade Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Clade Synapsida Osborn 1903 [Gauthier et al. 1989]
Clade Therapsida Broom, 1905
Clade Theriodontia
Clade Eutheriodontia
Clade Cynodontia Owen 1861 [Gauthier, Kluge & Rowe 1988]
Clade Epicynodontia Hopson & Kitching 2001
Clade Eucynodontia Kemp 1982 [Rowe 1993]
Clade Probainognathia Hopson, 1990
Clade Mammaliamorpha Rowe 1988
Clade Mammaliaformesᵀ Rowe 1988
Clade Amphilestheria Gaetano & Rougier 2011
Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
[crown] Class Mammaliaᵀ Linnaeus, 1758 - mammals
Clade Theriimorphaᵀ Rowe 1993
Clade Theriiformesᵀ Rowe 1988
Clade Trechnotheriaᵀ McKenna 1975
Clade Cladotheriaᵀ McKenna 1975
Clade Zatheriaᵀ McKenna 1975
Clade Prototribosphenidaᵀ Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
Clade Boreosphenidaᵀ Luo, Cifelli & Kielan-Jaworowska 2001
[crown] Subclass Theriaᵀ Parker & Haswell, 1897
Infraclass Eutheria Gill, 1872
[crown] Cohort Placentalia Owen, 1837 - placentals
[crown] Magnorder Boreoeutheria Springer & de Jong, 2001
[crown] Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
[crown] Clade Scrotifera Waddell, Cao, Hauf & Hasegawa 1999
[crown] Clade Fereuungulata Waddell, Cao, Hauf & Hasegawa 1999
[crown] Grandorder Ferae Linnaeus, 1758
Clade Carnivoramorpha Wyss & Flynn, 1993
Clade Carnivoraformes Flynn, Finarelli & Spaulding 2010
[crown] Order Carnivora Bowdich, 1821 - carnivores
Suborder Caniformia Kretzoi, 1943
Infraorder Arctoidea Flower, 1869
Parvorder Ursida Tedford, 1976
Superfamily Ursoideaᵀ Batsch, 1788 [monotypic]
Family Ursidaeᵀ Batsch, 1788 - bears
Subfamily Ursinaeᵀ Batsch, 1788
Genus Ursusᵀ Linnaeus, 1758 - black, brown, polar, sun, and sloth bears
Ursus arctosᵀ Linnaeus, 1758 - brown bear
01 Ursus arctos arctosᵀ Linnaeus, 1758 - brown bear
02 Ursus arctos alascensis Merriam, 1896
03 Ursus arctos beringianus Middendorff, 1851
04 Ursus arctos californicus Merriam, 1896
05 Ursus arctos collaris Cuvier, 1824
06 ‡Ursus arctos crowtheri Schinz, 1844
07 Ursus arctos dalli Merriam, 1896
08 Ursus arctos gyas Merriam, 1902
09 Ursus arctos horribilis Ord, 1815
10 Ursus arctos isabellinus Horsfield, 1826
11 Ursus arctos lasiotus Gray, 1867
12 Ursus arctos middendorffi Merriam, 1896
13 Ursus arctos pruinosus Blyth, 1854 - brown bear
14 Ursus arctos sitkensis Merriam, 1896
15 Ursus arctos stikeenensis Merriam, 1914
16 Ursus arctos syriacus Hemprich & Ehrenberg, 1828