 Natura - nature
 Natura - nature
   actualia - actual entities
 actualia - actual entities
     Mundus Plinius - physical world
 Mundus Plinius - physical world
       naturalia - natural bodies
 naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
 Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
 Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
 Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
 Clade podiates Cavalier-Smith, 2012
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
 Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
 Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
 Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
 Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
 Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
 Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
 Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
 Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Deuterostomia Grobben, 1908
 Infrakingdom Deuterostomia Grobben, 1908
                                         Phylum Chordata Bateson, 1885 - chordates
 Phylum Chordata Bateson, 1885 - chordates
                                           Subphylum Craniata auct.
 Subphylum Craniata auct.
                                             Infraphylum Vertebrata Lamarck, 1801 - vertebrates
 Infraphylum Vertebrata Lamarck, 1801 - vertebrates
                                               Clade Pan-Gnathostomata Downs 2020
 Clade Pan-Gnathostomata Downs 2020
                                                 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
 Superclass Gnathostomataᵀ Gegenbaur, 1874 - jawed vertebrates
                                                   [crown] Clade Eugnathostomata
 [crown] Clade Eugnathostomata
                                                     Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
 Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
                                                       Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
 Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                                                         Clade Pan-Sarcopterygii
 Clade Pan-Sarcopterygii
                                                           Clade Sarcopterygii Romer, 1955
 Clade Sarcopterygii Romer, 1955
                                                             Clade Dipnotetrapodomorpha Nelson, 2006
 Clade Dipnotetrapodomorpha Nelson, 2006
                                                               Clade Rhipidistia Cope, 1887
 Clade Rhipidistia Cope, 1887
                                                                 Clade Tetrapodomorpha Ahlberg, 1991
 Clade Tetrapodomorpha Ahlberg, 1991
                                                                   Clade Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
 Clade Osteolepidida Boulenger 1901 [Cloutier & Ahlberg 1996]
                                                                     Clade Eotetrapodiformes Coates & Friedman, 2010
 Clade Eotetrapodiformes Coates & Friedman, 2010
                                                                       [crown] Clade Elpistostegalia Camp & Allison, 1961
 [crown] Clade Elpistostegalia Camp & Allison, 1961
                                                                         Clade Stegocephali Cope 1868 [Laurin 2020]
 Clade Stegocephali Cope 1868 [Laurin 2020]
                                                                           Clade Labyrinthodontia Owen 1859 [Laurin 2020]
 Clade Labyrinthodontia Owen 1859 [Laurin 2020]
                                                                             Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
 Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
                                                                               Clade Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
 Clade Pan-Amniota Rowe 2004 [Laurin & Smithson 2020]
                                                                                 Clade Batrachosauria
 Clade Batrachosauria
                                                                                   Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
 Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
                                                                                     Clade Synapsida Osborn 1903 [Laurin & Reisz 2020]
 Clade Synapsida Osborn 1903 [Laurin & Reisz 2020]
                                                                                       [crown] Clade Therapsida Broom 1905 [Rowe 2020]
 [crown] Clade Therapsida Broom 1905 [Rowe 2020]
                                                                                         Clade Theriodontia Owen, 1876
 Clade Theriodontia Owen, 1876
                                                                                           Clade Eutheriodontia
 Clade Eutheriodontia
                                                                                             Clade Cynodontia Owen 1861 [Rowe 2020]
 Clade Cynodontia Owen 1861 [Rowe 2020]
                                                                                               Clade Epicynodontia Hopson & Kitching 2001
 Clade Epicynodontia Hopson & Kitching 2001
                                                                                                 Clade Eucynodontia Kemp 1982 [Rowe 1993]
 Clade Eucynodontia Kemp 1982 [Rowe 1993]
                                                                                                   Clade Probainognathia Hopson, 1990
 Clade Probainognathia Hopson, 1990
                                                                                                     Clade Mammaliamorpha Rowe 1988 [Rowe 2020]
 Clade Mammaliamorpha Rowe 1988 [Rowe 2020]
                                                                                                       Clade Mammaliaformes Rowe 1988 [Rowe 2020]
 Clade Mammaliaformes Rowe 1988 [Rowe 2020]
                                                                                                         Clade Amphilestheria Gaetano & Rougier 2011
 Clade Amphilestheria Gaetano & Rougier 2011
                                                                                                           Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
 Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
                                                                                                             Class Mammaliaᵀ Linnaeus, 1758 - mammals
 Class Mammaliaᵀ Linnaeus, 1758 - mammals
                                                                                                               Clade Theriimorphaᵀ Rowe 1993
 Clade Theriimorphaᵀ Rowe 1993
                                                                                                                 Clade Theriiformesᵀ Rowe 1988
 Clade Theriiformesᵀ Rowe 1988
                                                                                                                   Clade Trechnotheriaᵀ McKenna 1975
 Clade Trechnotheriaᵀ McKenna 1975
                                                                                                                     Clade Cladotheriaᵀ McKenna 1975
 Clade Cladotheriaᵀ McKenna 1975
                                                                                                                       Clade Zatheriaᵀ McKenna 1975
 Clade Zatheriaᵀ McKenna 1975
                                                                                                                         Clade Prototribosphenidaᵀ Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
 Clade Prototribosphenidaᵀ Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
                                                                                                                           Clade Boreosphenidaᵀ Luo, Cifelli & Kielan-Jaworowska 2001
 Clade Boreosphenidaᵀ Luo, Cifelli & Kielan-Jaworowska 2001
                                                                                                                             Subclass Theriaᵀ Parker & Haswell, 1897
 Subclass Theriaᵀ Parker & Haswell, 1897
                                                                                                                               Infraclass Eutheria Gill, 1872
 Infraclass Eutheria Gill, 1872
                                                                                                                                 Cohort Placentalia Owen, 1837 - placentals
 Cohort Placentalia Owen, 1837 - placentals
                                                                                                                                   Magnorder Boreoeutheria Springer & de Jong, 2001
 Magnorder Boreoeutheria Springer & de Jong, 2001
                                                                                                                                     Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
 Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
                                                                                                                                       [crown] Clade Scrotifera Waddell, Cao, Hauf & Hasegawa 1999
 [crown] Clade Scrotifera Waddell, Cao, Hauf & Hasegawa 1999
                                                                                                                                         [crown] Clade Fereuungulata Waddell, Cao, Hauf & Hasegawa 1999
 [crown] Clade Fereuungulata Waddell, Cao, Hauf & Hasegawa 1999
                                                                                                                                           [crown] Grandorder Ferae Linnaeus, 1758
 [crown] Grandorder Ferae Linnaeus, 1758
                                                                                                                                             Clade Carnivoramorpha Wyss & Flynn, 1993
 Clade Carnivoramorpha Wyss & Flynn, 1993
                                                                                                                                               Clade Carnivoraformes Flynn, Finarelli & Spaulding 2010
 Clade Carnivoraformes Flynn, Finarelli & Spaulding 2010
                                                                                                                                                 [crown] Order Carnivora Bowdich, 1821 - carnivores
 [crown] Order Carnivora Bowdich, 1821 - carnivores
                                                                                                                                                   Suborder Caniformia Kretzoi, 1943
 Suborder Caniformia Kretzoi, 1943
                                                                                                                                                     Infraorder Arctoidea Flower, 1869
 Infraorder Arctoidea Flower, 1869
                                                                                                                                                       Parvorder Musteloidea Kretzoi, 1929
 Parvorder Musteloidea Kretzoi, 1929
                                                                                                                                                         Family Mustelidaeᵀ Batsch, 1788 - weasels, badgers, skunks, and otters
 Family Mustelidaeᵀ Batsch, 1788 - weasels, badgers, skunks, and otters
                                                                                                                                                           Subfamily Lutrinae Bonaparte, 1838 - otters
 Subfamily Lutrinae Bonaparte, 1838 - otters
                                                                                                                                                             Tribe Lutriniᵀ Bonaparte, 1838
 Tribe Lutriniᵀ Bonaparte, 1838
                                                                                                                                                               Genus Lutraᵀ Brisson, 1762 - river otters
 Genus Lutraᵀ Brisson, 1762 - river otters
                                                                                                                                                                 Lutra lutraᵀ (Linnaeus, 1758) - European otter
 Lutra lutraᵀ (Linnaeus, 1758) - European otter
                                                                                                                                                                   Lutra lutra nair Cuvier, 1823
 Lutra lutra nair Cuvier, 1823