Species: pricei CLARK & CARROLL, 1973
Etymology:
Holotype: MCZ 1478
Locality: Rattlesnake Canyon, Archer County, Texas.
Horizon: Lowermost Petrolia Formation (formerly Upper Admiral Formation, middle Wichita Group), Lower Wichita Group.
Biostratigraphy: Land-vertebrate faunachron middle B.
Age: Upper Wolfcampanian stage, Upper Rotliegendes Epoch, Early Permian.
Material: Skull and associated elements of anterior postcranial skeleton.
Referred material:?
MCZ 1160: Baddly crushed skull.
Locality: Near Vernon Crossing, Wichita River, Baylor County, Texas.
Horizon: Petrolia Formation (formerly Belle Plains Formation, middle Wichita Group), Lower Wichita Group.
Biostratigraphy: Land-vertebrate faunachron upper B.
Age: Upper Wolfcampanian stage, Upper Rotliegendes Epoch, Early Permian.
Material:
FMNH UC 1119: Fragmentary skull.
= Pleuristion brachycoelus CASE, 1902
Etymology:Holotype: KU 351a
Locality: 100 feet below Wellington-Garber contact, from 2 miles northeast of Orlando, SE 1/4, sec. 31, T20N, R1W, Logan County, Oklahoma.
Horizon: Willington Formation (Garber Formation), Summer Group, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).
Biostratigraphy:
Age: Middle Leonardian stage, upper Rotliegendes Epoch, Early Permian.
Material: 3 vertebrae.
Referred material:
KUVP 351b (KUVP 65275): 11 vertebrae, with possible fragments of others, some rib fragments, an immature femur, and some phalangeal elements.
OLSON, 1970
FHMH UC 676: Fragmentary skull and dentary.
OUSM 3-0-S19: Partial skeleton.
OLSON, 1984
UCLA VP 756: Premaxilla and part of snout.
UCLA VP 3138: Skull, lower jaw and postcranial parts.
UCLA VP 3137: Miscellaneous postcranial fragments, of several individuals.
UCLA VP 3308, 3309, 3353: Partial skulls and jaws.
UCLA VP 3351: Partial skull.
UCLA VP 3354: Partial skull, partial humerus.
UCLA VP 3530: Right side of skull, right jaw and fragments.
UCLA VP 3531: Vertebrae, femur, etc.
UCLA VP 3532: Partial maxilla, lower jaw and vertebrae.
UCLA VP 3533: Postcranial parts of several individuals.
UCLA VP 3534: Fragment of skull, lower jaw.
UCLA VP 3535: Jaw fragments and scraps.
UCLA VP 3536: Vertebrae and postcranial fragments.
UCLA VP 3537: Vertebrae and ribs.
UCLA VP 3538: Partial lower jaw.
UCLA VP 3539: Vertebrae and partial femur.
UCLA VP 3540: Skull fragments and miscellaneous.
UCLA VP 3541: Partial maxilla, limb elements, and vertebrae.
UCLA VP 3542, 3543: Vertebrae and fragments.
UCLA VP 3544: Skull fragments and vertebrae.
UCLA VP 3545: Vertebrae and postcranial fragments.
UCLA VP 3546: Vertebrae and parts of limb bones.
UCLA VP 3547: Vertebrae fragments.
UCLA VP 3548: Lower jaw and skull fragments.
UCLA VP 3549: Skull fragments.
UCLA VP 3550: Fragment of skull including premaxilla.
UCLA VP 3621: Partial skull, skeleton and dermal scales.
UCLA VP 3622: Vertebrae.
UCLA VP 3623: Maxilla and fragments.
UCLA VP 3624: Postcrania parts, 4 pieces of different individuals.
UCLA VP 3625: Partial skull.
UCLA VP 3626: Teeth and vertebrae.
UCLA VP 3627: Postcranial parts.
UCLA VP 3628: Partial skull and partial lower jaw.
UCLA VP 3629: Vertebrae and fragments.
UCLA VP 3630: Vertebrae and partial limb bones.
UCLA VP 3631: Partial skull and fragments of a juvenile.
UCLA VP 3695: 4 presacral vertebrae.
FHNM PR 1359: Maxilla, and partial lower jaw.
FHNM PR 1360: Partial maxilla and fragments.
FHNM PR 1361: Snout and partial lower jaw.
FHNM PR 1362: Vertebrae and ribs.FHNM PR 1363: Posterior portion of large skull and postcranial parts.