Genus: Polycynodon BROOM & ROBINSON, 1948
Etymology: Greek, polys, "many" and Greek, kynodon, "carnine tooth": Many canine-tooth.
= Octocynodon BROOM, 1940
Etymology: Greek, otkos, "eight" and Greek, kynodon, "canine tooth": Eight canine tooth.

Species: elegans (BROOM, 1940) BROOM & ROBINSON, 1948
Etymology: Greek, elegans, "elegant."
= Octocynodon elegans BROOM, 1940

Holotype: RC 29

Locality: Modderfontein, Middelburg, South Africa.

Horizon:

Biostratigraphy: Dicynodon Assemblage zone (formerly Dicynodon lacerticeps-Whaitsia zone of KEYSER, 1979, SACS, 1980, Daptocephalus zone of KITCHING, 1970, 1977, Upper Cistecephalus Zone of WATSON, 1914).

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

Material: Fragmentary skull and fragmentary lower jaw.