Species: ciscoensis ROMER, 1937
Etymology:

Holotype: MCZ 1535

Locality: 4 miles southeast of Windthorst, Clay County, Texas.

Horizon: Pueblo Formation, Cisco Group.

Biostratigraphy:

Age: Late Pennsylvanian.

Material: Premaxilla, maxilla, quadrate, articular, left half of occiput, and 5 centra.

Referred material:

MCZ 1944: Fragmentary of maxilla and articular.

MCZ 6618: Fragmentary quadrate and articular.

AMNH 4768: Associated vertebrae, sacral ribs, and premaxilla.

 

BRINKMAN & EBERTH, 1986

Locality: Prideaux Pocket, Texas.

Horizon: Pueblo Formation.

Biostratigraphy:

Age: Early Permian.

Material:

MCZ 6358: 3 premaxillae.

MCZ 6354: 5 maxillary fragments.

MCZ 6352: 2 prefrontals.

MCZ 6353: Postfrontal.

MCZ 6348: 5 basioccipitals.

MCZ 6349: 3 basi-pharasphenoids.

MCZ 6350: 4 quadrates.

MCZ 6359: 8 dentary fragments.

MCZ 6352: 3 articulars.

MCZ 6371: Axis centrum.

MCZ 6357: Partial cervical centrum.

MCZ 6355: 20 mid-dorsal centra.

MCZ 6356: 22 centra from various positions along the vertebral column.

MCZ 6768: 3 ilia.

MCZ 7083: Distal end of femur.

MCZ 6766: Proximal end of femur.

MCZ 6765: 2 proximal ends of fibulae.

MCZ 6767: 4 proximal ends of tibiae.