Pycnosteus
| Pycnosteus Temporal range: | |
|---|---|
| Pycnosteus tuberculata | |
| Scientific classification | |
| Kingdom: | |
| Phylum: | |
| Class: | |
| Order: | |
| Suborder: | |
| Family: | Pycnosteida |
| Genus: | Pycnosteus Preobrazensky, 1911 |
| Binomial name | |
| Pycnosteus tuberculata Preobrazensky, 1911 | |
Pycnosteus is an extinct genus of jawless fish from the Devonian. It is thought to have cruised through vegetation, eating small invertebrates which it knocked loose .