Genus: Ptyonius FRITSCH, 1896 non COPE, 1875
Etymology:

Species: bendai FRITSCH, 1896
Etymology:

Holotype: NMP. M871

Locality: Kost'alov, Semly district, Czech Republic.

Horizon: Kost'alov-Kalna Horizon, Upper Libstat Formation, Upper Autunian.

Biostratigraphy:

Age: Early Permian.

Material: Fragmentary skull and fragmentary skeleton.
Note: A juvenile of a known Actinodontid?