Genus: Diceratosaurus JAEKEL, 1903
Etymology: Greek, di, "two," Greek, kerat (keras) “horn” and Greek, sauros, "lizard."
= Ceraterpeton COPE, 1875 non HUXLEY, 1867 (Ceraterpeton galvani, Lepsonpodyli, Diplocaulidae)
= Eoserpeton MOODIE, 1909
Etymology:

Species: brevirostris (COPE, 1875) JAEKEL, 1903
Etymology:
= Tuditanus brevirostris COPE, 1875

Holotype: AMNH 6933

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Skull and fragmentary skeleton.

JAEKLE, 1903

Referred material:

AMNH 8609G: Fragmentary skeleton.

HUREY, 2023

CM81506: Skull.

HANSEN, 1997


Locality: Five Points, Mahonining County, Ohio.

Horizon: Lower Kittanning coal, Allegheny Group.

Biostratigraphy:

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

Material:

CM 29603: Nearly complete skull in dorsal view.

 

= Ceraterpeton tenuicorne COPE 1875
Etymology:
= Eoserpeton tenuicorne (COPE 1875) MOODIE, 1909
= Diceratosaurus tenuicorne (COPE 1875
= Ceraterpeton lennicorne COPE, 1875 (sic)
= Ceraterpeton recticorne COPE, 1875 (sic)

Holotype: AMNH 6836

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skull and fragmentary skeleton.

Referred material:

MOODIE

USNM 4472 and counterpart USNM 4473: Fragmentary skull and fragmentary skeleton.

 

= Ceraterpeton punctolineatum COPE 1875
Etymology:
= Diceratosaurus punctolineatus (COPE 1875) JAEKEL, 1903
= Ceraterpeton lineopunctatum COPE, 1875 (sic)

Holotype: AMNH 6866

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skull.

Referred material:

AMNH 8606: Fragmentary skull and fragmentary skeleton.

JAEKEL

3 specimens: Fragmentary skeletons with 2 fragmentary skulls.