| Opsithrissops Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Osteoglossiformes |
| Family: | Osteoglossidae |
| Genus: | †Opsithrissops Daniltshenko, 1968 |
| Type species | |
| Opsithrissops osseus Danilchenko, 1968 | |
Opsithrissops is an extinct genus of prehistoric bony fish that lived during the Thanetian stage of the Paleocene epoch. It is a 120 centimetres (3.9 ft) fish in the family Osteoglossiformes which includes other bony-tongues such as the extant species of arowana and arapaima.