Species: polydens (FRITSCH, 1883) ZAJIC, 1984
Etymology:
= Dawsonia polydens FRITSCH, 1883
Lectotype: NMP 419 (Electrotypes: BMNH R340?)
Locality: Nyrany (Nurschan), Plzen Basin, Bohemia, Czech Republic.
Horizon: Kounov Member, Slany Formation.
Biostratigraphy:
Age: Stephanian B, Upper Westphalian D, Lower Upper Silesian Series, Desmoniensean, Upper Myachkovskian Stage, Upper Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).
Material: Fragmentary skull.