Genus: Dawsonioides KUHN, 1969
Etymology:
= Dawsonia FRITSCH, 1883 non HARTT, 1868 (eodiscid trioblite)
= Dawsonerpeton ZAJÍC, 1984

Species: polydens (FRITSCH, 1883) KUHN, 1969
Etymology:
= Dawsonia polydens FRITSCH, 1863
= Dawsonerpeton polydens (FRITSCH, 1883) ZAJÍC, 1984

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.