Species: stovalli (OLSON, 1970) SCHULTZE & FOREMAN, 1981
Etymology:
= Goniorhynchus stovalli OLSON, 1970

Holotype: FMNH UR 1039

Locality: Norman Locality, SW 1/4, NW 1/4, Sec. 13, T8N, R2W, Cleveland County, Oklahoma.

Horizon: Hennessey Formation, (Arroyo equivalent), Low Clear Fork Group.

Biostratigraphy:

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

Material: Skull and lower jaws.

Referred material:

FMNH UR 1242: Fragmentary skull.

FMNH UR 1243: Lower jaws.

FMNH UR 1244: Skull, jaw and vertebrae.

FMNH UR 1245: Fragmentary skull and vertebrae.

FMNH UR 1246: Front part of lower jaw, scrap.

FMNH UR 1247: Fragmentary lower jaw.

FMNH UR 1248: Fragmentary skull and vertebrae.

FMNH UR 1284: Crushed skull and vertebrae.

FMNH UR 1341: Front of skull and lower jaws.

FMNH-UR 2414: Most of vertebral column and right hind lib.