Genus: Notosyodon CHUDINOV, 1968
Etymology: Greek, notos, “south”, and Syodon: Southern hog tooth.

Species: gusevi CHUDINOV, 1968
Etymology:
= Syodon gusevi (CHUDINOV, 1968) IVAKHENKO, 2003

Holotype: PIN 2505/1

Locality: Zhaksy-Kargala Locality, right bank of the Zhaksy-Karagala River Bank near Aktyubinsk, 7-8 km south of the village of Turazhol, Aktyubinsk Province, Kazahkstan.

Horizon: Biarmian Series, Urzhumian Stage, Urzhumian Horizon.

Biostratigraphy: Isheevo Faunal Assemblage, Malaya Kinel Faunal Subassamblage.

Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material: Posterior portion of skull.

Referred material:

PIN 2505/2: 3rd right lower incisor.

PIN 2505/3: 4th or 5th upper left postcanine.

 

Locality: Right bank of the Donguz River, opposite the Dolmatovskiy Farm in Sol-Iletsk district of Orenburg oblast, European Russia.

Horizon:

Biostratigraphy:

Age: Lower part of the Upper Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.

Material:

PIN 2608/1: Fragmentary left dentary.