Species: aspidephorus WILLISTON, 1910
Etymology:

Holotype: FMNH UC 647

Locality: Willbarger County, Texas.

Horizon: Vale Formation, Middle Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower to middle D.

Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.

Material: Consisting of a nearly complete articulated skull and skeleton.

Referred material:

FMNH UR806: Articulated fragments of the carapace.

FMNH UC885: Several articulated vertebrae and armor segments.

FMNH UC900: Several articulated neural spines and armor segments.

FMNH UC977: Several articulated neural spines and armor segments.

FMNH UR 649: Skull.

OLSON 1972

Locality: Pipe site of FA, Foard County, Texas.

Horizon: Vale Formation, Middle Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower to middle D.

Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.

Material:

FMNH UR 170: 2 humeri.

 

= Trematopsis seltini OLSON, 1956
Etymology:

Holotype: FMNH-UR 279

Locality: In drainage area of Beaver Creek, Locality Bac, Baylor County, Texas.

Horizon: Vale Formation, Middle Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower to middle D.

Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.

Material: Fragmentary skull and jaws, 19 intercentra, some with neural arches, scapulo-coracoids, pubo-ischiadic plate, left humerus and distal end of right humerus, radius, right femur, and part of left femur, head of tibia, fragments of ribs vertebrae, lower limb and foot bones.