Suborder Ophidioidei (ray-finned fish)
Parent taxon: Ophidiiformes according to R. van der Laan 2019
See also Betancur et al. 2013, Constantin 1999, Danil'chenko 1960, Frizzell and Dante 1965, Lin et al. 2017, Schwarzhans et al. 2017 and Schwarzhans and Nielsen 2021
Sister taxa: Benthocometes, Brotula, Bythitoidei, Dannevigia, Ophididae, Parabrotulidae, Rhodichthyidae
Subtaxa: Carapidae Ophidiidae Ophidioidae
Ecology: nektobenthic carnivore-parasite