Species: amphiuminum COPE, 1868
Etymology:
Holotype: AMNH 6857
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 anterior trunk in dorsal view with scales on the skull.
Referred material:
MCZ 2131: Palate with scales on the skull.
STEEN, 1930
BMNH R 2673: Impression of roof of skull, lower jaw, vertebral column, ribs, and scales.
BMNH R 2657a: Impression of lateral surface of the skull, lower jaws, one bone of shoulder girdle, scales.
= Thyrsidium fascicolare COPE, 1875
Etymology:Holotype: AMNH 8552G
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: 9 vertebrae and ventral armor.
_____________________________________________________________________________________
Species: granulosum (FRITSCH, 1883) CARROLL, BOSSY, MILNER, ANDREWS & WELLSTEAD,
1998
Etymology:
Holotype: NMW 1899 IX 13
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).
Referred material:
CGH 121, 132: Isolated vertebrae, ribs, and scales.
Electrotype:
BMNH R363: Middle region of a skeleton with ventral scutes and dorsal granules.
_____________________________________________________________________________________
Species: guettleri KRÄTSCHMER, 2006
Etymology: In honor of Dr. Thomas Güttleri, who discovered the specimen.
Holotype: PSGH 2006-1
Locality: Alsenz, Rheinland-Pfalz State, Germany.
Horizon: Breitenheim-Fossilhorizon, Jeckenbach-Schichten.
Biostratigraphy:
Age: Rotliegendes Epoch, Early Permian.
Material: Skull and skeleton, with scales.
_____________________________________________________________________________________
CARROLL, BOSSY, MILNER, ANDREWS & WELLSTEAD, 1998
Locality: Mazon Creek, Grundy County, and Braidwood, Will County, Illinois.
Horizon: Carbondale Formation, above Morris (number 2) Coal.
Biostratigraphy:
Age: Middle Silesian series, Westephalian C, Podolskian stage, or Westephalian D, Myachkovskian stage, Moscovian Epoch, Middle Pennsylvanian (Middle Carboniferous).
Material:
MCZ 323: Skull and anterior trunk in counterparts with scales on the skull.