Species: lancifer (NEWBERRY, 1856)
Etymology:

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:

Referred material:

AMNH 6939: Natural mould of incomplete shoulder girdle with scales.

_____________________________________________________________________________________

Species: russelli HUXLEY, 1863
Etymology:

Holotype: BMNH R4822 (note: Panchen, 1977 G.S. 28313 type)

Locality: Airdrie or Mushet's Black Band Ironstone, near Airdrie, Strathclyde Province, Scotland, Northern United Kingdom.

Horizon: Coal Measures.

Biostratigraphy:

Age: Westephalian B, upper Westphalian, Middle Silesian series, Kashirskian Stage, Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).

Referred material:

Locality: New Castle upon Tyne, Northumberland County, England, southern United Kingdom.

Horizon: Coal Measures.

Biostratigraphy:

Age: Westphalian, Middle Silesian series, Moscovian Epoch, Late Carboniferous (Late Pennsylvanian).

Material:

BMNH 45863: Dermal scutes of ventral armor.

BMNH R43: Scute.