Species: zenos CASE, 1910
Etymology:

Holotype: AMNH Cope Collection, 4797

Locality: New Mexico.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: A short series of vertebrae, including the sacral and a few presacral vertebrae.

Referred material:

CASE & WILLISTON, 1913/SUMIDA, LOMBARD & BERMAN, 1992

Locality: El Cobre Canyon, Rio Arriba County, New Mexico.

Horizon: Lower Cutler Formation.

Biostratigraphy:

Age: Virgilian, Gzelian Epoch, Late Pennsylvanian.

Material:

FMNH UC679: Fragmentary skull and fragmentary skeleton.

 

KISSLER & LEHMAN, 2000, KISSLER & LEHMAN, 2002

Locality: OMNH locality V1005, Seminole County, Oklahoma.

Horizon: Ada Formation.

Biostratigraphy:

Age: Late Pennsylvanian.

Material:

OMNH 55350: Left dentary.

OMNH 55351, 55352: 2 nearly complete dorsal vertebrae.