Species: validus FRITSCH, 1876
Etymology: Latin, validum, “strong”.

Holotype: CBH 2084

Locality: Nyrany (Nurschan), Plzen Basin, Bohemia, Czech Republic.

Horizon: Gaskohl.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian Series, Desmoniensean, Upper Myachkovskian Stage, Upper Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).

Material: Fragmentary skull showing palate and lower jaws.

Referred material:

CARROLL, 1988

Locality: Nyrany (Nurschan), Plzen Basin, Bohemia, Czech Republic.

Horizon: Gaskohl.

Biostratigraphy:

Age: Upper Myachkovskian Stage, Upper Westphalian D, Lower Upper Silesian, Desmoniensean, upper Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).

Material:

Natural History Museum of Vienna, specimen no. 1899-III-6: Skull and skeleton missing the tail.

_____________________________________________________________________________________

Species: crassidens FRITSCH, 1879
Etymology:

Holotype: CGH 123

Locality: Nyrany (Nurschan), Plzen Basin, Bohemia, Czech Republic.

Horizon: Gaskohl.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian Series, Desmoniensean, Upper Myachkovskian Stage, Upper Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).

Material: Dentary.