Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] 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
[crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
[crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
[crown] 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 Vertebrata Cuvier, 1812 - vertebrates
Myopterygii - myopterygians
Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
Grade Teleostomi Bonaparte, 1836
Euteleostomi - bony vertebrates
Class Actinopterygii Woodward, 1891 - ray-finned fishes
[crown] Actinopteri Cope, 1871
Subclass Neopterygii Regan, 1923
Infraclass Teleostei Müller, 1845
Supercohort Teleocephala de Pinna, 1996
Clupeocephala
Cohort Euteleosteomorpha (Greenwood et al., 1966)
Subcohort Neoteleostei Nelson, 1969
Infracohort Eurypterygia (Rosen, 1973)
Section Ctenosquamata Rosen, 1973
Subsection Acanthomorphata (Rosen, 1973)
Euacanthomorpha (Johnson & Patterson, 1993)
Holacanthopterygii Johnson & Patterson, 1993
Acanthopterygii Rosen & Patterson, 1969
Euacanthopterygii
Division Percomorphacea Wiley & Johnson, 2010
Order Ophidiiformes Rafinesque, 1810, incertae sedis [monophyletic?] - cusk-eels
Suborder Ophidioideiᵀ Rafinesque, 1810 [monophyletic?]
Family Ophidiidaeᵀ Jordan & Evermann, 1898 - cuskeels
Subfamily Ophidiinaeᵀ Rafinesque, 1810
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