Species: brevirostris (WILLISTON, 1911) WILLISTON, 1914
Etymology:
= Varanosaurus brevirostris WILLISTON, 1911

Holotype: FMNH UC (WM) 644

Locality: From the Cacops bonebed, Indian Creek, west of Coffee Creek, Baylor County, Texas.

Horizon: Arroyo Formation, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material: Skull and skeleton.

After ROMER & PRICE, 1940

Referred material:

FMNH WM 884-1007: Fragmentary skeletons.

UM 3017: Partial skeleton.

CAMPIONE & REISZ, 2010

FMNH P 12841: Partial skeleton (partially prepared)

FMNH UR 2423: Nearly complete mandibles, including sclerotic rings and articulated atlas axis.

MCZ 1926: Complete skull and mandibles.

 

= Varanops cf. brevirostris MADDIN, EVANS, & REISZ, 2006

Locality: Fort Sill, OMNH Locality V51, Dolese Brothers limestone quarry at Richards Spur, Fissure Fills, just west of U.S. Highways 62 & 281, 10.5 miles south of Apache, 6 miles north of Fort Sill, SW 1/2, Sec. 31, T4N, R11W, Comanche County, Oklahoma.

Horizon: Wellington Formation (Garber Formation), Summer Group, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).

Biostratigraphy:

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

Material:

OMNH 73156: Isolated maxilla fragment.

OMNH 73157, 73158: 2 parabasisphenoid complexes.

OMNH 73159: Axial neural arch.

OMNH 73160, 73161: 2 cervical vertebrae.

OMNH 73162-73166: 5 mid-dorsal vertebrae.

OMNH 73167: 1 caudal vertebra.

OMNH 83177: 1 sacral rib.

OMNH 73168-7317o: 3 partial huumeri.

OMNH 73171: Partial ulna.

OMNH 73172: Complete radius.

OMNH 73173: Metacarpal IV.

OMNH 73174: Ilium.

OMNH 73175, 73176: 2 tibiae.

OMNH 73178: A single metatarsal.

MAHO, BEVITT & REISZ, 2023

OMNH 7302: Dorsal vertebrae.

ROMVP 87380: Complet femur, partial tibia, parital girdle, partial vertebral column.

ROMVP 87397: Complete humerus.

ROMVP 87398: Partial humerus.

ROMVP 87396: Partial proximal end of femur.

ROMVP 87797: Partial proximal end of femur.

ROMVP 87798: Partial proximal enf of femur.

ROMVP 87802: Partial proximal end of femur.

 

 

TSUJI & REISZ, 2003, REISZ & TSUJI, 2006

Locality: Mud Hill Locality, South of Abilene, Taylor County, Texas.

Horizon: Vale Formation (orginally listed as the Arroyo Formation), Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material:

TMM 43628-1: Fragmentary skeleton.
Note: Found with toothmarks from scavenging possibly from a dissorophoid or large temnospondyl.