| Archaeosyodon Temporal range: Middle Permian
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|---|---|
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| Restoration of Archaeosyodon praeventor | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Suborder: | †Dinocephalia |
| Family: | †Anteosauridae |
| Genus: | †Archaeosyodon Tchudinov, 1960 |
| Species: | †A. praeventor
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| Binomial name | |
| †Archaeosyodon praeventor Tchudinov, 1960
| |
Archaeosyodon is an extinct genus of dinocephalian therapsids. It was medium-sized, reaching about 1.5–2 m (4–5 ft) in length.1