Genus: Trimerorhachis COPE, 1878

Species: insignis COPE, 1878

Refered material:

WITZMAN, 2007

Locality: Baylor County, Texas.

Horizon: Waggoner Ranch Formation (formerly Clyde Formation, upper Wichita Group) Upper Wichita Group.

Biostratigraphy: Land-vertebrate faunachron lower to middle C.

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

Material:

MCZ 1080: Pectoral girdle, vertebrae dorsal and gastral scales.