Family Nematogenyidae Bleeker 1862 (catfish)
Actinopteri - Siluriformes - Nematogenyidae
Parent taxon: Loricaroidei according to R. Betancur et al. 2013
See also Arratia 2015, Azpelicueta and Rubilar 1998 and Nelson et al. 2016
Sister taxa: Astroblepidae, Callichthyidae, Loricariidae, Trichomycteridae
Subtaxa: Nematogenys
Ecology: nektobenthic carnivore
Distribution: found only at Cerro RucaƱanco (Miocene of Chile)