Species: dolani OLSON & BEERBOWER, 1953
Etymology:

Holotype: FMNH UR 149

Locality: Sublocality KN, Little Croton Creek, Knox County, Texas.

Horizon: Red Shale facies of middle part of San Angelo Formation.

Biostratigraphy:

Age: Early Late Permian.

Material: Fragments of skull with teeth, pelvis, left hind limb and foot, right femur, tibia, and fragments of foot, right humerus and part of right forefoot, 7 presacral vertebrae, sacrals and 24 caudal vertebrae, scrap, including many pieces of ribs.

Referred material:

FMNH UR 701: Fragmentary vertebrae.

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Species: greeni OLSON, 1962
Etymology:

Holotype: FMN UR 257

Locality: Alexander Ranch, Knox County, Texas.

Horizon: Lower part of the Flowerpot Formation, Pease River Group.

Biostratigraphy:

Age: Early Late Permian.

Material: Femur, vertebrae, parts of ribs and scraps.

Referred material:

Locality: Locality KR, Alexander Ranch, Knox County, Texas.

Horizon: Flower Pot Formation.

Biostratigraphy:

Age: Early Late Permian.

Material:

FMNH UR 258: Part of distal end of humerus.

 

Locality: Locality KS, Alexander Ranch, Knox County, Texas.

Horizon: Flower Pot Formation.

Biostratigraphy:

Age: Early Late Permian.

Material:

FMNH UR 264: Fragments of pelvis and distal limb elements.

 

Locality: Locality KT, Alexander Ranch, Knox County, Texas.

Horizon: Flower Pot Formation.

Biostratigraphy:

Age: Early Late Permian.

Material:

FMNH UR 259: Flattened humerus.

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Species: romeri OLSON & BARGHUSEN, 1962
Etymology: In honor of Alfred S. Romer.

Holotype: FMNH UR 827

Locality: Omega quarry, site KF-1, NW 1/4, NW 1/4, NW 1/4, sec. 19, T17N, R9W, Kingfisher County, Oklahoma.

Horizon: Chickasha Formation, El Reno Group.

Biostratigraphy:

Age: Guadalupian subepoch, Lower Zechstein Epoch, Early Late Permian.

Material: Pelvis, right femur, 16 presacral, 3 sacral, and 4 caudal vertebrae, ribs associated with 5 posterior presacral, vertebrae and chevrons associated with 2 caudal vertebrae, probably numbers 7 and 8.

Referred material:

CMNH UR 828: 2 sacral and 2 presacral vertebrae articulated in series with ribs.

CMNH UR 844: Right side of pelvis with most of ischium missing.

CMNH UR 845: Right pubis.

CMNH UR 846: Interclavicle.

CMNH UR 847, UR 850: Anterior dorsal ribs.

CMNH UR 848, UR 849: Mid-dorsal ribs.

CMNH UR 851: Posterior dorsal rib.

CMNH UR 853: 4 anterior caudal vertebrae.

CMNH UR 854: Fragment of snout with 2 teeth (Reference uncertain).

 

OLSON, 1965

Locality: Omega quarry, site KF-1, NW 1/4, NW 1/4, NW 1/4, sec. 19, T17N, R9W, Kingfisher County, Oklahoma.

Horizon: Chickasha Formation, El Reno Group.

Biostratigraphy:

Age: Guadalupian Stage, Lower Zechstein Epoch, Early Late Permian.

Material:

CMNH UR 904: Part of skeleton.

CMNH UR 906: Part of scapulocoracoid.

CMNH UR 907: Scapulocoracoid.

CMNH UR 908: About 20 vertebrae.

CMNH UR 909: Scapulocoracid.

CMNH UR 911: Tibia.

CMNH UR 914: Toe bones.

CMNH UR 916: Lumbar, sacral vertebrae, and ribs.

CMNH UR 917: Femur.

CMNH UR 926: Maxilla with 2 teeth.

CMNH UR 927: Base of skull and occiput.

CMNH UR 928: Dorsal rib.

CMNH UR 931: Pterygoid.

CMNH UR 933: Clavicle.

CMNH UR 932, UR 940, UR 941: Dorsal rib.

CMNH UR 942: Tooth.

CMNH UR 944: 2 dorsal rib.

CMNH UR 945: Anterior dorsal ribs.

CMNH UR 971: Series of 20 caudal vertebrae and ribs.

CMNH UR 978: Pubis.

CMNH UR 979, UR 980: Pelvis.

 

Locality: BC-6, NW 1/4 sec. 35, Sec. 34, S 1/2 Sec. 27, T18N, R11W, Blaine County, Oklahoma.

Horizon: Chickasha Formation.

Biostratigraphy:

Age: Guadalupian subepoch, Lower Zechstein Epoch, Early Late Permian.

Material:

CMNH UR 977: Femur.