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 Clupeocephala Patterson & Rosen, 1977
Subcohort Euteleosteomorpha Greenwood et al., 1966
Infracohort Neoteleostei Nelson, 1969
Supersection Eurypterygia Rosen, 1973
Section Ctenosquamata Rosen, 1973
Subsection Acanthomorphata Rosen, 1973
Clade Euacanthomorpha Johnson & Patterson, 1993
Clade Holacanthopterygii Johnson & Patterson, 1993
Division Acanthopterygii Rosen & Patterson, 1969
Subdivision Percomorphaceae
Series Ophidiaria [monotypic]
Order Ophidiiformesᵀ Regan, 1912 [monophyletic?] - cusk-eels
Suborder Ophidioideiᵀ Regan, 1912 [monophyletic?]
Family Ophidiidaeᵀ Rafinesque, 1810 - cusk-eels
Subfamily Ophidiinaeᵀ Rafinesque, 1810 - true cusk-eels
Tribe Ophidiiniᵀ
Genus Ophidionᵀ Linnaeus, 1758
Ophidion antipholus Lea & Robins, 2003
Ophidion asiro (Jordan & Fowler, 1902)
Ophidion barbatum Linnaeus, 1758 - snake blenny
Ophidion beani Jordan & Gilbert, 1883
Ophidion dromio Lea & Robins, 2003
Ophidion exul Robins, 1991
Ophidion fulvum (Hildebrand & Barton, 1949) - earspot cusk eel
Ophidion galeoides (Gilbert, 1890) - striped cusk eel
Ophidion genyopus (Ogilby, 1897)
Ophidion grayi (Fowler, 1948) - blotched cusk-eel
Ophidion guianense Lea & Robins, 2003
Ophidion holbrookii (Putnam, 1874)
Ophidion imitator Lea, 1997
Ophidion iris Breder, 1936 - rainbow cusk eel
Ophidion josephi Girard, 1858
Ophidion lagochila (Böhlke & Robins, 1959)
Ophidion lozanoi Matallanas, 1990
Ophidion marginatum (DeKay, 1842) - striped cusk-eel
Ophidion metoecus Robins, 1991
Ophidion muraenolepis (Günther, 1880)
Ophidion nocomis Robins & Böhlke, 1959
Ophidion puck Lea & Robins, 2003
Ophidion robinsi Fahay, 1992
Ophidion rochei Müller, 1845
Ophidion saldanhai Matallanas & Brito, 1999
Ophidion scrippsae (Hubbs, 1916) - basketweave cusk-eel
Ophidion selenops Robins & Böhlke, 1959 - mooneye cusk-eel
Ophidion smithi (Fowler, 1934)
Ophidion welshi (Nichols & Breder, 1922) - crested cusk-eel