| Stereophallodon Temporal range: Permian
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|---|---|
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| Restoration | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Family: | †Ophiacodontidae |
| Genus: | †Stereophallodon Romer, 1937 |
| Type species | |
| Stereophallodon ciscoensis Romer, 1937
| |
Stereophallodon is an extinct genus of non-mammalian synapsids.[1]
- ^ "Stereophallodon". The Paleobiology Database. Retrieved 8 August 2011.