Parent taxon: Anguilliformes according to J. S. Nelson et al. 2016
Sister taxa: Abisaadia, Anguillidae, Anguilloidei, Anguilloididae, Bolcanguilla, Brannerion, Casierius, Chlopsoidei, Congermuraena, Congridae, Congroidea, Congroidei, Eodiaphyodus, Eomuraena, Eomyrophis, Eurypharyngidae, Gazolapodus, Hayenchelys, Heterenchelyidae, Hoplunnis, Japonoconger, Lemkea, Leptocephalus, Libanechelyidae, Luenchelys, Micromyrus, Milananguillidae, Moringuoidei, Muraenanguilla, Muraenesocidae, Muraenidae, Muraenoidei, Mylomyrus, Myroconger, Nemichthyidae, Ophichthidae, Palaeomyrus, Paranguillidae, Parechelus, Patavichthyidae, Proserrivomer, Proteomyridae, Rhynchocymba, Saccopharyngidae, Saccopharyngoidei, Synaphobranchoidei, Urenchelyidae, Urenchelys, Colocephali, Enchelycephali, Mastygocercus, Echelidae, Archencheli, Lyomeri, Carencheli
Subtaxa: Protanguillidae
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Protanguilloidei in the database