|Named By:||P. K. Tchudinov in 1960|
|Time Period:||Middle Permian|
|Size:||Skull 30 centimetres long. Body estimated between 1.5 and 2 meters long|
|Fossil(s):||Partial skull (PIN 1758/3)|
|Classification:||| Chordata | Therapsida | Dinocephalia | Anteosauridae ||
Archaeosyodon is an extinct genus of dinocephalian therapsid. It was medium-sized, reaching about 1.5-2 m (4-5 ft) in length.