Genus: Mordex STEEN, 1938
Etymology:

Species: calliprepes STEEN, 1938
Etymology:
= Amphibamus calliprepes (STEEN, 1938) CARROLL, 1964

Holotype: BMNH R2817

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.

Referred material:

= Limnerpeton macrolepis FRITSCH, 1881

Lectotype: NMP M472 (= Fritisch Orig. 134a b, CGH 3005)

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 and fragmentary skeleton.