Nematogenys

Nematogenys
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Suborder: Loricarioidei
Family: Nematogenyidae
C. H. Eigenmann, 1927
Genus: Nematogenys
Girard, 1855
Type species
Trichomycterus inermis

Nematogenys is a genus of freshwater ray-finned fishes, it is the only genus in the family Nematogenyidae. This genus has one extant and one extinct species, both being found only in central Chile.