Genus: Eosimpos BROOM, 1921
Etymology: Greek, eos, “dawn”, Greek, simos, “snub-nosed, flattned” and Greek, ops, “face, appearance”: Dawn snub-nosed face.

Species: newtoni BROOM, 1921
Etymology:

Holotype: BMNH R5749

Locality: Victoria West, Northern Cape Province, South Africa.

Horizon:

Biostratigraphy: Cistecephalus zone.

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material: Fragmentary skull.