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
Genus Ophichthusᵀ Ahl, 1789
Ophichthus alleni McCosker, 2010
Ophichthus altipennis (Kaup, 1856)
Ophichthus aniptocheilos McCosker, 2010
Ophichthus apachus McCosker & Rosenblatt, 1998
Ophichthus aphotistos McCosker & Chen, 2000
Ophichthus apicalis ([Bennett], 1830)
Ophichthus arneutes McCosker & Rosenblatt, 1998
Ophichthus asakusae Jordan & Snyder, 1901
Ophichthus bonaparti (Kaup, 1856)
Ophichthus brachynotopterus Karrer, 1982
Ophichthus brasiliensis (Kaup, 1856)
Ophichthus brevicaudatus Chu, Wu & Jin, 1981
Ophichthus celebicus (Bleeker, 1856)
Ophichthus cephalozona (Bleeker, 1864)
Ophichthus congroides McCosker, 2010
Ophichthus cruentifer (Goode & Bean, 1896) - margined snake eel
Ophichthus cylindroideus (Ranzani, 1840) - tentacle-nose eel
Ophichthus echeloides (D'Ancona, 1928)
Ophichthus episcopus Castelnau, 1878
Ophichthus erabo (Jordan & Snyder, 1901)
Ophichthus evermanni Jordan & Richardson, 1909
Ophichthus exourus McCosker, 1999
Ophichthus frontalis Garman, 1899 - death-banded snake-eel
Ophichthus garretti Günther, 1910
Ophichthus genie McCosker, 1999
Ophichthus gomesii (Castelnau, 1855) - shrimp eel
Ophichthus grandoculis (Cantor, 1849)
Ophichthus hirritus McCosker, 2010
Ophichthus humanni McCosker, 2010
Ophichthus hyposagmatus McCosker & Böhlke, 1984
Ophichthus ishiyamorum McCosker, 2010
Ophichthus karreri Blache, 1975
Ophichthus kunaloa McCosker, 1979
Ophichthus lentiginosus McCosker, 2010
Ophichthus leonensis Blache, 1975
Ophichthus limkouensis Chen, 1829
Ophichthus longipenis McCosker & Rosenblatt, 1998
Ophichthus machidai McCosker et al., 2012
Ophichthus macrochir (Bleeker, 1853)
Ophichthus macrops Günther, 1910
Ophichthus maculatus (Rafinesque, 1810)
Ophichthus madagascariensis Fourmanoir, 1961
Ophichthus manilensis Herre, 1923
Ophichthus marginatus (Peters, 1855)
Ophichthus mecopterus McCosker & Rosenblatt, 1998
Ophichthus megalops Asano, 1987
Ophichthus melanoporus Kanazawa, 1963 - blackpored eel
Ophichthus melope McCosker & Rosenblatt, 1998
Ophichthus menezesi McCosker & Böhlke, 1984
Ophichthus microstictus McCosker, 2010
Ophichthus mystacinus McCosker, 1999
Ophichthus obtusus McCosker et al., 2012
Ophichthus omorgmus McCosker & Böhlke, 1984
Ophichthus ophis (C. Linnaeus, 1758) - spotted snake eel
Ophichthus parilis (Richardson, 1848)
Ophichthus polyophthalmus Bleeker, 1865 - manyeyed worm eel
Ophichthus puncticeps (Kaup, 1860) - palespotted eel
Ophichthus regius (Richardson, 1848) - ornate snake eel
Ophichthus remiger (Valenciennes, 1842) - punctuated snake-eel
Ophichthus rex Böhlke & Caruso, 1980 - king snake eel
Ophichthus roseus Tanaka, 1917
Ophichthus rotundus Lee & Asano, 1997
Ophichthus rufus (Rafinesque, 1810) - rufus snake eel
Ophichthus rugifer Jordan & Bollman, 1890
Ophichthus rutidoderma (Bleeker, 1853)
Ophichthus rutidodermatoides (Bleeker, 1853)
Ophichthus serpentinus Seale, 1917
Ophichthus singapurensis Bleeker, 1864
Ophichthus spinicauda (Norman, 1922) - spinefin snake eel
Ophichthus stenopterus Cope, 1871
Ophichthus tchangi Tang & Zhang, 2002
Ophichthus tetratrema McCosker & Rosenblatt, 1998
Ophichthus tomioi McCosker, 2010
Ophichthus triserialis (Kaup, 1856) - Pacific snake eel
Ophichthus tsuchidae Jordan & Snyder, 1901
Ophichthus unicolor Regan, 1908
Ophichthus urolophus (Temminck & Schlegel, 1846)
Ophichthus woosuitingi Chen, 1929
Ophichthus zophochir Jordan & Gilbert, 1882 - yellow snake eel