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-Actinopterygii Rowe 2004 [Moore & Near 2020]
Clade Actinopterygiiᵀ Woodward 1891 [Moore & Near 2020]
Clade Pan-Actinopteri Moore & Near 2020
Class Actinopteri Cope, 1871
Subclass Neopterygii Regan, 1923
Infraclass Teleosteomorpha Arratia, 2001
Division Teleostei Müller, 1845
Supercohort Teleocephala de Pinna, 1996 - crown-group Teleostei
Cohort Elopomorpha Greenwood et al., 1966
Order Anguilliformes Berg, 1943 - eels
Suborder Congroidei Regan, 1909
Family Ophichthidae Günther, 1870 - snake eels and worm eels
Subfamily Ophichthinaeᵀ Günther, 1870 - snake eels
01 Genus Allips McCosker, 1972 [monotypic]
02 Genus Aplatophis Böhlke, 1956
03 Genus Aprognathodon Böhlke, 1967 [monotypic]
04 Genus Apterichtus Duméril, 1805
05 Genus Bascanichthys Jordan & Davis, 1891
06 Genus Brachysomophis Kaup, 1856
07 Genus Caecula Vahl, 1794 [monotypic]
08 Genus Callechelys Kaup, 1856
09 Genus Caralophia Böhlke, 1955 [monotypic]
10 Genus Chauligenion McCosker & Okamoto, 2016
11 Genus Cirrhimuraena Kaup, 1856
12 Genus Cirricaecula Schultz, 1953
13 Genus Dalophis Rafinesque, 1810
14 Genus Echelus Rafinesque, 1810
15 Genus Echiophis Kaup, 1856
16 Genus Ethadophis Rosenblatt & McCosker, 1970
17 Genus Evips McCosker, 1972 [monotypic]
18 Genus Gordiichthys Jordan & Davis, 1891
19 Genus Hemerorhinus Weber & de Beaufort, 1916
20 Genus Herpetoichthys Kaup, 1856 [monotypic]
21 Genus Hyphalophis McCosker & Böhlke, 1982 [monotypic]
22 Genus Ichthyapus Brisout de Barneville, 1847
23 Genus Kertomichthys McCosker & Böhlke, 1982 [monotypic]
24 Genus Lamnostoma Kaup, 1856
25 Genus Leiuranus Bleeker, 1852 [monotypic]
26 Genus Leptenchelys Myers & Wade, 1941 [monotypic]
27 Genus Letharchus Goode & Bean, 1882
28 Genus Lethogoleos McCosker & Böhlke, 1982 [monotypic]
29 Genus Leuropharus Rosenblatt & McCosker, 1970 [monotypic]
30 Genus Luthulenchelys McCosker, 2007 [monotypic]
31 Genus Malvoliophis Whitley, 1934 [monotypic]
32 Genus Myrichthys Girard, 1859
33 Genus Mystriophis Kaup, 1856
34 Genus Ophichthusᵀ Ahl, 1789
35 Genus Ophisurus Lacepède, 1800
36 Genus Paraletharchus McCosker, 1974
37 Genus Phaenomonas Myers & Wade, 1941
38 Genus Phyllophichthus Gosline, 1951
39 Genus Pisodonophis Kaup, 1856
40 Genus Quassiremus Jordan & Davis, 1891
41 Genus Rhinophichthus McCosker, 1999 [monotypic]
42 Genus Scytalichthys Jordan & Davis, 1891 [monotypic]
43 Genus Stictorhinus Böhlke & McCosker, 1975 [monotypic]
44 Genus Suculentophichthus Fricke, Golani & Appelbaum-Golani 2015
45 Genus Xestochilus McCosker, 1998 [monotypic]
46 Genus Xyrias Jordan & Snyder, 1901
47 Genus Yirrkala Whitley, 1940