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 Deuterostomia Grobben, 1908
        |                                 Phylum Chordata Bateson, 1885 - chordates
        |                                   Subphylum Craniata auct.
        |                                     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
        |                                       Clade Pan-Gnathostomata Downs 2020
        |                                         Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
        |                                           [crown] Clade Eugnathostomata
        |                                             Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
        |                                               Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
        |                                                 Clade Pan-Sarcopterygii
        |                                                   Clade Sarcopterygii Romer, 1955
        |                                                     Clade Dipnotetrapodomorpha Nelson, 2006
        |                                                       Clade Rhipidistia Cope, 1887
        |                                                         Clade Tetrapodomorpha Ahlberg, 1991
        |                                                           Clade Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
        |                                                             Clade Eotetrapodiformes Coates & Friedman, 2010
        |                                                               [crown] Clade Elpistostegalia Camp & Allison, 1961
        |                                                                 Clade Stegocephali Cope 1868 [Laurin 2020]
        |                                                                   Clade Labyrinthodontia Owen 1859 [Laurin 2020]
        |                                                                     Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
        |                                                                       Clade Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
        |                                                                         Clade Batrachosauria
        |                                                                           Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
        |                                                                             Clade Synapsida Osborn 1903 [Laurin & Reisz 2020]
        |                                                                               [crown] Clade Therapsida Broom 1905 [Rowe 2020]
        |                                                                                 Clade Theriodontia Owen, 1876
        |                                                                                   Clade Eutheriodontia
        |                                                                                     Clade Cynodontia Owen 1861 [Rowe 2020]
        |                                                                                       Clade Epicynodontia Hopson & Kitching 2001
        |                                                                                         Clade Eucynodontia Kemp 1982 [Rowe 1993]
        |                                                                                           Clade Probainognathia Hopson, 1990
        |                                                                                             Clade Mammaliamorpha Rowe 1988 [Rowe 2020]
        |                                                                                               Clade Mammaliaformes Rowe 1988 [Rowe 2020]
        |                                                                                                 Clade Amphilestheria Gaetano & Rougier 2011
        |                                                                                                   Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
        |                                                                                                     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
        |                                                                                                                     Subclass Theriaᵀ Parker & Haswell, 1897
        |                                                                                                                       Infraclass Eutheria Gill, 1872
        |                                                                                                                         Cohort Placentalia Owen, 1837 - placentals
        |                                                                                                                           Magnorder Boreoeutheria Springer & de Jong, 2001
        |                                                                                                                             Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
        |                                                                                                                               Grandorder Euarchonta Waddell, Okada & Hasegawa, 1999
        |                                                                                                                                 Order Primates Linnaeus, 1758 - primates
        |                                                                                                                                   Clade Euprimates
        |                                                                                                                                     Suborder Haplorhini Pocock, 1918
        |                                                                                                                                       Infraorder Simiiformes Haeckel, 1866
        |                                                                                                                                         Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
        |                                                                                                                                           Superfamily Hominoidea Gray, 1825
        |                                                                                                                                             Family Hominidaeᵀ Gray, 1825
        |                                                                                                                                               Subfamily Homininaeᵀ Gray, 1825
        |                                                                                                                                                 Tribe Homininiᵀ Gray, 1825
        |                                                                                                                                                   Subtribe Homininaᵀ Gray, 1825
        |                                                                                                                                                     Genus Homoᵀ Linnaeus, 1758 - people
        |                                                                                                                                                       Homo sapiensᵀ Linnaeus, 1758 - human
         "crystal-kingdom"
           chemical substances
             reactive intermediates
               Class dipolar compounds
                 Class ylides [[RmX+-YRn [<-> RmX=YRn] (X=N,O,P,S,etc.; Y=C, etc.)] or [Z=X+-YRn <-> Z-+X=YRn] or [RmX+-Y <-> RmX=Y]]
                   1.1 Class nitrogen ylides [RmN+-CR2]
                   1.2 Class oxygen ylides [RmO+-CR2]
                   1.3 Class phosphorus ylides [RmP+-CR2 <-> RmP=CR2]
                   1.4 Class sulfur ylides [RmS+-CR2 <-> RmS=CR2]
                   1.5 Class arsenic ylides [RmAs+-CR2 <-> RmAs=CR2]
                   2.1.1 Class amine imides [R3N+-NR]
                   2.1.2 Class nitrile imides [RC≡N+-NR <-> RC+=NN-R <-> RC-=+N=NR]
                   2.2.1 Class amine oxides [R3N+-O]
                   2.2.2 Class nitrones [R2C=N+(O-)R' (R'≠H)]
                   2.2.3 Class nitrile oxides [RC≡N+-O <-> RC-=+N=O]
                   2.3 Class nitrile sulfides [RC≡N+-S <-> RC-=+N=S]
                   3 Class betaines