Orden Anguilliformes (Anguiliformes)

Cladograma de los Anguilliformes

						Familia
		Anguilliformes
		Anguillavidae				Anguillavidae
					Anguilloidei
					Anguillidae	Anguillidae
					Heterenchelyidae	Heterenchelyidae
					Moringuidae	Moringuidae
			?		Muraenoidei
					Chlopsidae	Chlopsidae
					Myrocongridae	Myrocongridae
					Muraenidae	Muraenidae
					Congroidei
					Synaphobranchidae	Synaphobranchidae
					Ophichthidae	Ophichthidae
					Colocongridae	Colocongridae
					Derichthyidae	Derichthyidae
					Muraenesocidae	Muraenesocidae
					Nemichthyidae	Nemichthyidae
					Congridae	Congridae
					Nettastomatidae	Nettastomatidae
					Serrivomeridae	Serrivomeridae