 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-Actinopterygii Rowe 2004 [Moore & Near 2020]
 Clade Pan-Actinopterygii Rowe 2004 [Moore & Near 2020]
                                                           Clade Actinopterygiiᵀ Woodward 1891 [Moore & Near 2020]
 Clade Actinopterygiiᵀ Woodward 1891 [Moore & Near 2020]
                                                             Clade Pan-Actinopteri Moore & Near 2020
 Clade Pan-Actinopteri Moore & Near 2020
                                                               Class Actinopteri Cope, 1871
 Class Actinopteri Cope, 1871
                                                                 Subclass Neopterygii Regan, 1923
 Subclass Neopterygii Regan, 1923
                                                                   Infraclass Teleosteomorpha Arratia, 2001
 Infraclass Teleosteomorpha Arratia, 2001
                                                                     Division Teleostei Müller, 1845
 Division Teleostei Müller, 1845
                                                                       Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
 Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
                                                                         Cohort Elopomorpha Greenwood et al., 1966
 Cohort Elopomorpha Greenwood et al., 1966
                                                                           Order Anguilliformes Berg, 1943 - eels
 Order Anguilliformes Berg, 1943 - eels
                                                                             Suborder Muraenoidei
 Suborder Muraenoidei
                                                                               Family Muraenidaeᵀ Rafinesque, 1815 - moray eels
 Family Muraenidaeᵀ Rafinesque, 1815 - moray eels
                                                                                 Subfamily Muraeninaeᵀ Rafinesque, 1815 - morays
 Subfamily Muraeninaeᵀ Rafinesque, 1815 - morays
                                                                                   Genus Echidna Forster, 1788
 Genus Echidna Forster, 1788
                                                                                     Echidna amblyodon (Bleeker, 1856)
 Echidna amblyodon (Bleeker, 1856)
                                                                                     Echidna catenata (Bloch, 1795) - chain moray
 Echidna catenata (Bloch, 1795) - chain moray
                                                                                     Echidna delicatula (Kaup, 1856) - mottled moray
 Echidna delicatula (Kaup, 1856) - mottled moray
                                                                                     Echidna leucotaenia (Schultz, 1943)
 Echidna leucotaenia (Schultz, 1943)
                                                                                     Echidna nebulosa (Ahl, 1789) - snowflake moray
 Echidna nebulosa (Ahl, 1789) - snowflake moray
                                                                                     Echidna nocturna (Cope, 1872) - palenose moray
 Echidna nocturna (Cope, 1872) - palenose moray
                                                                                     Echidna peli (Kaup, 1856) - pebbletooth moray
 Echidna peli (Kaup, 1856) - pebbletooth moray
                                                                                     Echidna polyzona (Richardson, 1845) - banded moray
 Echidna polyzona (Richardson, 1845) - banded moray
                                                                                     Echidna rhodochilus Bleeker, 1863
 Echidna rhodochilus Bleeker, 1863
                                                                                     Echidna unicolor Schultz, 1953
 Echidna unicolor Schultz, 1953
                                                                                     Echidna xanthospilos (Bleeker, 1859)
 Echidna xanthospilos (Bleeker, 1859)