Position in a system
| system | Vitae - living organisms |
| subfamily | Loricariinae Rafinesque, 1815 ! |
| domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
| superregnum | Unikonta |
| system | Opisthokonta Cavalier-Smith, 1987 |
| kingdom | Animalia Linnaeus, 1758 - animals |
| subregnum | Eumetazoa Butschli, 1910 |
| divisio | Bilateria Hatschek, 1888 - bilaterians |
| subdivisio | Deuterostomia - deuterostomes |
| phylum | Chordata Bateson, 1885 - chordates |
| subphylum | Vertebrata Cuvier, 1812 - vertebrates |
| infraphylum | Gnathostomata Zittel, 1879 - jawed vertebrates |
| superclassis | Osteichthyes Huxley, 1880 - bony fishes |
| class | Actinopterygii Klein, 1885 - ray-finned fishes |
| superorder | Teleostei Müller, 1846 |
| order | Siluriformes Cuvier, 1816 - catfish |
| family | Loricariidae Rafinesque, 1815 - suckermouth armored catfishes |
| subfamily | Hypoptopomatinae C.H. Eigenmann & R.S. Eigenmann, 1890 |
| genus | Hisonotus Eigenmann & Eigenmann, 1889 |