Species: annulatus CASE, 1902
Etymology:

Holotype: UCMP 3040

Locality: Orlando Site, 2 miles northeast of Orlando, SE 1/4, sec. 31, T20N, R1W, 2 miles northeast of Orlando in Noble 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: Vertebrae.

WILLISTON,

Referred material:

OLSON 1967

CNHM UR 1013: 5 dorsal vertebrae.

CNHM UR 1014: Caudal vertebrae.

CNHM UR 1018: Dorsal vertebrae and ribs.

CNHM UR 1019: Vertebrae and ribs of many individuals.

OUSM 1-10-S3: Caudal vertebrae.

OUSM 2-0-S13: Fragmentary skull and jaw.

OUSM 2-7-S7: 3 dorsal vertebrae.

OUSM 3-34-S4: 4 caudal vertebrae.

 

CARLSON, 1999

Locality: Perry, 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:

Museum of Minnesota

P82.10.4: 26 presacral, 3 sacral area, 2 caudal vertebrae.

P83.4.12: 4 trunk vertebrae.

P83.4.13: Squamosal.

P83.4.14: Left posterior of skull and lower jaw exposed in lateral view, lower jaws exposed in ventral view.

P83.4.15, P83.4.18, P83.4.26: Vertebrae.

P83.4.16, P83.4.27, P83.4.36, P83.4.39, P83.4.41, P83.4.43, P83.4.56: Caudal vertebrae.

P83.4.17: Sacral vertebrae, 8 caudal vertebrae.

P83.4.19: 4 trunk vertebrae.

P83.4.20, P83.4.28, P83.4.31, P83.4.34, P83.4.37, 38, P83.4.40, P83.4.42, P83.4.47: Trunk vertebrae.

P83.4.21: Disarticulated skull bones.

P83.4.22: 2 trunk vertebrae, ribs.

P83.4.23: 2 trunk, 2 caudal vertebrae.

P83.4.24: Trunk vertebra and ribs.

P83.4.25: Trunk vertebrae, ?limb and ?skull bones.

P83.4.29: 3 caudal vertebrae.

P83.4.30: Vertebrae, ribs.

P83.4.32: 4 trunk vertebrae.

P83.4.33: 5 caudal vertebrae.

P83.4.35: 4 caudal vertebrae.

P83.4.44: Vertebrae, ?skull bones.

P83.4.45: 10 vertebrae.

P83.4.46: Trunk, caudal vertebrae.

P83.4.48: 5 trunk, 2 caudal vertebrae, ?lower jaw.

P83.4.49: Trunk vertebrae, rib.

P83.4.50: 5 trunk vertebrae, and caudal vertebrae.

P83.4.51, 52, 53, 54: Trunk vertebrae.

P83.4.55: Trunk vertebrae, ribs, ?limb bones.

P83.4.57: 3 caudal vertebrae.

P83.4.58: Trunk vertebrae, ?sacral vertebrae and caudal vertebrae.

 

Locality: Pond Creek Site, NE 1/4, NW 1/4, sec. 14, T25N, R5W, about 5 miles east of the village of Pond Creek, Grant County, Oklahoma.

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

Biostratigraphy:

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

Material:

OUSM 1-0-S86: Caudal vertebrae.

 

CARROLL, BOSSY, MILNER, ANDREWS & WELLSTEAD, 1998

Locality: Texas.

Horizon: Lueders Limestone, Lower Clear Fork Group.

Biostratigraphy:

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

Material:

Number: Not given:

 

Locality: Texas.

Horizon: Arroyo Formation, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

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

Material:

Number: Not given:

 

SMITH, 1927, CZAPLEWSKI, CIFELLI & LANGSTON JR, 1994

Locality: V152, Nobel County, Northern 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:

Number: Not given: Mid-dorsal vertebra, 2 articulated sposterior dorsal vertebrae, 5 articulated caudal vertebrae, jaw fragments and leg bones.

Note: Now missing.

= Trimerorhachis leptorhynchus CASE, 1902
Etymology:

Holotype: KUVP 350

Locality: 2 miles northeast of Ornaldo, SE 1/4, Sec 31, T20N, R1W, Noble 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: Fragmentary skull.

 

= Cricotillus brachydens CASE, 1902
Etymology:

Holotype: KUVP 394

Locality: Orlando Site, 2 miles northeast of Orlando, SE 1/4, sec. 31, T20N, R1W, 2 miles northeast of Orlando in Noble 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: Fragments of rostrum, including parts of the maxillaries, nasals, and vomers.

Referred material:

Unnumbered specimens 3 pieces.