Notosyodon

{{Short description|Extinct genus of therapsids}}

{{Speciesbox

| fossil_range = Middle Permian

| genus = Notosyodon

| parent_authority = Tchudinov, 1968

| species = gusevi

| authority = Tchudinov, 1968

}}

Notosyodon is an extinct genus of non-mammalian therapsids. The holotype PIN 2505/1, consists of a partial skull preserving the orbital, occipital, and basicranial regions.{{cite journal |last=Kammerer |first=Christian F. |date=June 2011 |title=Systematics of the Anteosauria (Therapsida: Dinocephalia) |journal=Journal of Systematic Palaeontology |volume=6 |issue=2 |pages=261–304 |doi=10.1080/14772019.2010.492645 |bibcode=2011JSPal...9..261K }} Other remains include PIN 2505/2, a right lower incisor, and PIN 2505/3, a left upper postcanine, found associated with the holotype and PIN 2608/1, the anterior half of a left dentary found on the right bank of the Donguz River, near Dolmatovskii Farm, Sol-Iletsk District, Orenburg Region, Russia.