|Named By:||M. F. Ivakhnenko in 2008|
|Time Period:||260.5-251.0 Ma|
|Size:||Skull estimated to be about 40 to 50 centimetres long|
|Classification:||| Chordata | Synapsida | Therapsida | Therocephalia | Whaitsiidae ||
Megawhaitsia is an extinct genus of large therapsid, potentially a therocephalian. It lived in the Late Permian in East Russia, and is known only by a maxilla, with a skull estimated to be 40-50 cm.