Opisthognathus
Opistognathus
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Osteichthyes | Actinopterygii | Actinopteri | Teleostei | Ovalentaria incertae sedis | Opistognathidae | Opistognathus
|  | Haeckel, 1874 |  | von Zittel, 1879 |  |  |  |  |  | Bonaparte, 1835 | Cuvier, 1816