Porosteognathus
| Porosteognathus | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Clade: | †Therocephalia |
| Genus: | †Porosteognathus |
Porosteognathus is an extinct genus of therocephalian therapsids. Remains have been found at Isheevo in Russia (Republic of Tatarstan). It is known from the Middle Permian.