Parent taxon: Anguilliformes according to R. van der Laan 2019
See also Constantin 1999, Frizzell and Dante 1965, Jordan 1963, Nelson et al. 2016, Nolf and Dockery 1990, Schwarzhans 2003 and Schwarzhans and Nielsen 2021
Sister taxa: Abisaadia, Anguillavidae, Anguillidae, Anguilloididae, Bolcanguilla, Brannerion, Casierius, Chlopsoidei, Congermuraena, Congridae, Congroidea, Congroidei, Derrhiidae, Eodiaphyodus, Eomuraena, Eomyrophis, Eurypharyngidae, Gazolapodus, Hayenchelys, Hoplunnis, Japonoconger, Lemkea, Leptocephalus, Libanechelyidae, Luenchelys, Micromyrus, Milananguillidae, Moringuoidei, Muraenanguilla, Muraenesocidae, Muraenidae, Muraenoidei, Nemichthyidae, Palaeomyrus, Paranguillidae, Patavichthyidae, Proserrivomer, Protanguilloidei, Proteomyridae, Rhynchocymba, Saccopharyngidae, Saccopharyngoidei, Synaphobranchoidei, Urenchelyidae, Carencheli, Lyomeri, Colocephali, Mastygocercus, Enchelycephali, Archencheli, Echelidae
Subtaxa: Heterenchelyidae
Ecology: nektobenthic carnivore
Distribution: