CNHM UR 382: Fragmentary skull.
AMNH 4344: Partial skull.
CISNEROS, MARSICANO, ANGIELCZYK, SMITH, RICHTER, FROBISCH, KAMMERER, & SADLEIR, 2015
Locality: Nazaria Municipality, Parnaiba Basin, Piaui State, Brazil.
Horizon: Lower Pedra de Fogo Formation, Cisuralian (same as Rotliegendes Epoch) Epoch, Lower Permian.
Material:
UFPI PV014: Natural mould of a partial right hemimandibular ramus.
GAFFNEY & McKENNA, 1979
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: Willington Formation (Garber Formation), Summer Group.
Biostratigraphy:
Age: Middle Leonardian stage, upper Rotliegendes Epoch, Early Permian.
Material:
UK 9978: Skull.
ABEL, POMMERY, FORD, KOYABU & WERNEBURG, 2022
OMNH 44816: Skull and mandible.
HOLMES, 1977
OMNH (OUSM) 15003: Partial skeleton.
HOLMES, 2003
FEP 60c, CMN 51392, KU 8964: Fragmentary specimens.
MODESTO, 1995
Number: Not given: Skull.
LeBLANC & REISZ, 2015
OMNH 52329: Skull and mandible.
REISZ, MacDOUGALL, LeBLANC, SCOTT & NAGESAN, 2020
ROMVP 85336-85380: Left dentaires.
ROMVP 85381-85433: Right dentaries.
OMNH 73526: Skull with detached dentaries.
MOONEY, MAHO, PHILP, BEVITT & REISZ, 2025
OMNH 52541: Skull, cervical vertebrae, ribs and skin impressions.
LeBLANC, BRAR, MAY, & REISZ, 2015
Locality: Bally Mountain locality, an abandoned limestone quarry on Bally Mountain, Kiowa County, Oklahoma.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material:
OMNH 77541: Partial right maxilla.
OMNH 77542: Posterior portion of a right dentary.
OMNH 77543: Anterior portion of a right dentary.
OMNH 77544: Posterior portion of a right dentary.
OMNH 77545: Anterior portion of a right dentary.
OLSON, 1954
Locality: Texas.
Horizon: Middle Choza Formation, Upper Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron middle D.
Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.
Material:
FMNH UR 118: Poorly preserved vertebrae and skull fragments.
Locality: KI, Knox County, Texas.
Horizon: Lower Upper Vale Formation, Middle Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower to middle D.
Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.
Material:
Number: Not given:
Locality: KA, Knox County, Texas.
Horizon: Upper Vale Formation, Middle Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower to middle D.
Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.
Material:
FMNH UR 119: Fragment of maxilla?
Locality: BX, Knox County, Texas.
Horizon: Upper Vale Formation, Middle Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower to middle D.
Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.
Early Permian.
Material:
Number: Not given:
REISZ & HEATON, 1982
Locality: Oklahoma.
Horizon: Arroyo Formation equivalent, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
FMNH UR 2316: Fragmentary skull of a juvenile.
SELTAN, 1959
Locality: Rattlesnake Canyon, Archer County, Texas.
Horizon: Nocona Formation (formerly lower to lower upper Admiral Formation, middle Wichita Group), Lower Wichita Group.
Biostratigraphy: Land-vertebrate faunachron lower B.
Age: Upper Wolfcampanian stage, Upper Rotliegendes Epoch, Early Permian.
Material:
MCZ 1478: Skull.
Locality: Archer 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:
MCZ 1160: Skull.
Locality: Poleo Creek, Rio Arriba County, New Mexico.Horizon: Abo Formation.
Biostratigraphy:
Age: Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.
Material:
FMNH UR 735: Miscellaneous fragments.
Locality: Mitchell Creek, Baylor County, Texas.
Horizon: Lower to middle Waggoner Ranch Formation (formerly Clyde Formation, upper Wichita Group) Upper Wichita Group.
Biostratigraphy: Land-vertebrate faunachron lower to middle C.
Age: Lower Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.
Material:
FMNH UC 687: Skull.
FMNH UC 185: Flattened skull.
FMNH UC 196: Miscellaneous fragments.
FMNH P 12757: Skull.
Locality: West 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:
AMNH 4340, 476O, 4457, 6790, 4407, 4408: Skulls.
AMNH 4444: Fair skull.
FMNH UC 1703: Cast of skull.
FMNH UR 274: Incomplete skull.
Locality: 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:
AMNH 4438, 4410A, FMNH UC 1043: Skulls.
FMNH UC 700: Fragmentary skull.
Locality: East 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:
AMNH 4443, FMNH UC 1702: Fragmentary skulls.
AMNH 4410, FMNH UR 372, UR 276: Skulls.
FMNH UR 351: Partial skull.
Locality: Middle 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:
FMNH UR 371: Skull.FMNH UR 275: Fragmentary skull.
Locality: Big Wichtia River, 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:
AMNH 4877: Skull.
Locality: Hog 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:
FMNH UR 377: Skull.
FMNH UR 700: Fragmentary skull.
Locality: Indian 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:
FMNH UR 242: Skull.
FMNH UC 951: Fragmentary skull.
Locality: Craddock Ranch, Bushy 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:
FMNH UC 1315: Femur.
Locality: Seymour, 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:
FMNH UR 1206: Fragmentary skull.
Locality: Unknown, 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:
AMNH 4455: Skull.
Locality: Richards Spur Site, 6 miles north Fort Sill, sec. 31, T 4N, R 11W, Fissure Fills, Comanche County, Oklahoma.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
FMNH UR 338: Tip of dentary bearing teeth.
FMNH UR 339: Dentary.
FMNH UR 382, UR 385: Skulls.
FMNH UR 383: Posterior part of skull.
FMNH UR 384: Badly crushed skull.
FMNH UR 386: Posterior part of skull.
FMNH UR 387, UR 388: Anterior part of skulls.
FMNH UR 389: Part of pectoral girdle and 1 limb.
FMNH UR 390: Humerus and femur.
FMNH UR 391: Anterior part of vertebrael column and part of girdle.
FMNH UR 392: Foot.
FMNH UR 393: Frontal.
FMNH UR 394: Quadrate bones.
FMNH UR 395: Frontal bones.
FMNH UR 396: Nasal bones.
FMNH UR 397, UR 399: Femora.
FMNH UR 398: Stapes.
FMNH UR 400: Scapulae.
FMNH UR 401: Maxillaries with teeth.
FMNH UR 402: Dentaries with teeth.
FMNH UR 425: Premaxillaries with teeth.
FMNH UR 594: Large stapes bearing an incomplete footplate and shaft.
FMNH UR 595: Moderately-sized stapes bearing an incomplete footplate and shaft.
FMNH UR 596: Small stapes with an incomplete toothplate that is covered internally by matrix, and with a complete skull.
FMNH UR 1699: Miscellaneous vertebrae.
FMNH UR unnumbered: Isolated supraaoccipital.
FMNH UR unnumbered: Collection of 7 basi-parasphenoidal fragments.
FMNH UC 4421: Composite skeleton.
KUVP 9978: Skull.
KUVP 8962: 89 premaxillary, 74 maxillary, 137 nasal, 35 lachrymal, 46 frontal, 104 prefrontal, 67 parietal, 119 postorbital, 57 postfrontal, 123 jugal, 106 squamosal, 50 quadratojual, 15 postparietal, 3 vomer, 67 palatine, 53 pterygoid, 70 quadrate, many dentary, 82 surangular, 40 angular, 28 splenial, 30 prearticular, 61 coronoid, 48 articular, 7 stapes, 13 basi-paraspnenoid, 2 opisthotic, 17 basioccipital, 1 supraoccipital, 22 scapulocoracoid, 138 clavicle, 81 interclavicle, 56 pelvis, 15 radius, 12 ulna, 9 tibia, and 5 fibula.
KUVP 8963: 13 premaxillary, 28 maxillary, 5 nasal, 23 lachrymal, 21 frontals, 6 prefrontals, 75 parietals, 5 postorbitals, 5 postfrontal, 32 jugals, 14 squamosal, 4 quadratojugal, 1 postparietal, 1 vomer, 29 quadrate, 45 dentarys, 13 surangular, 37 angular, 3 splenial, 2 prearticular, 1 coronoid, 18 articular, 1 opisthotic, 3 basaioccipital, 1 exoccipital, 13 supraoccipital, 3 scapulocoracoid, 23 clavicle, 6 interclavicle, 51 pelvis, 64 humeri, 5 radii, 16 ulna, 69 femora, 17 tibia, 5 fibula, 1 proatlas, 1 atlas, 1 axis.
KUVP 8964: Incomplete pes with associated tibia and femur.
KUVP 8965: Incomplete pes.
KUVP 9780: Matched, but disarticlated, jugal, prefrontal, frontal postorbital, parietal, squamosal, quadratogual, and postparietal, associated are sclerotic plates.
KUVP 9924: Crushed right half of skull.
KUVP 14748: Pelvis.
KUVP 14753: Mandible.
KUVP 14756: Mandible.
KUVP 14757: Scapulocoracoid.
KUVP 14794: Scapulocoracoid and basisphenoid.
KUVP 9783: Right tarsus based on KUVP 8964, 8965 and 9783.
KUVP 9872: Left astragalus with associated calcanieum.
KUVP 9785: Left astragalus.
KUVP 9784: 2 astragali.
KUVP 9610: Atlantal centrum.
KUVP 9609: Atlantal arch.
KUVP 9608: Astragalus.
KUVP 14746: Right palatine.
KUVP 14755: Left epipterygoid.
KUVP 14754: Right quadrate.
KUVP 14750: Incomplete basi-parasphenoid.
KUVP 14749: Right scapulo-coracoid.
KUVP 14745: Left humerus.
KUVP 14752: Left ulna.
KUVP 14747: Left femur.
KUVP 65541: Stem of interclavicle.
KUVP 65542: Left scapulacoracoid.
KUVP 65544: Left humerus.
KUVP 65545: Left radius.
KUVP 65546: Ulnare.
KUVP? Intermedium.
KUVP 65548: Radiale.
KUVP 9783: Composite of the right tarsus based on KUVP 8964, 8965, and 9783.
KUVP 9782: Left astragalus with associated calcaneum.
KUVP 14746: Right palatine.
KUVP 14756: Posterior part of left mandibular ramus, erroneously listed as KUVP 14753.
KUVP 14744: Scapulocoracoid, erroneously listed by KUVP 14757.
KUVP 14749: Left ulna.
KUVP 14747: Left femur.
MCZ 2146: Skull.
Clarke Collation, unnumbered. Elements of a skull, partial scapulocoracoids, clavicles and interclavicle, parietal left manus and pes, sacrum, left femur, tibia and fibula, humerus, ulna and radius, all presumably from a single individual. Other isolated elements are included from different individuals. An associated second sacrum and first four caudal vertebrae are represented.
OUSM 2-1-S9: Small skull.
OUSM 3-0-S14: Small partial skull.
OUSM 3-0-S15: Partial skull.
OUSM 3-0-S16: Partial skeleton.
OUSM 3-0-S17: Partial skull and skeleton of a young individual.
OUSM 3-1-S9, 4-1-S9: Skulls.
UM 39716: Various parts.
UM 50985: Basisphenoids.
YPM 3854: Humerus.
YPM 3855: Radius.
YPM 3856: Ulna.
YPM 3857: Tibia.
YPM 3858: Fibula.
FOX & BOWMAN, 1969
Locality: Diplocaulus Hill between Indian and Coffee Creeks, J.S. Self Survey Sec. 2, A-1530, NW of Lake Kemp, 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:
MCZ 1202: A poor skull.
Locality: Near Kennedy's Ranch, 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:
FMNH UC 651: Fragmentary skull.
Locality: Vernon Road, near Cohan's Ranch, Willbarger County, Texas.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
FMNH UC 686: Fragmentary skull and vertebral column.
Locality: X pasture, 5 miles NW Maybelle, 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:
FMNH UC 687: Skull and partial skeleton.
Locality: 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:
USNM 17084: Fragmentary skull.
Locality: Texas.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
MMP 8921: A badly crushed skull.
Locality: 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:
MCZ 1059: Fragmentary skull.
OLSON, 1967
Locality: South Carnegie Site, NE 1/4, sec. 6, T. 5 n., R 13 W., in an abandoned quarry of the Roosevelt Materials Company Carnegie plant, 11.2 miles south of the center of Carnegie, Caddock County, Oklahoma.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material:
FM unnumbered: Many specimens, including jaws and postcranial elements.
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: 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:
FMNH UR 1012: 2 jaw fragments.
Locality: Pond Creek Site, NE 1/4, NW 1/4, sec. 14, T. 25 N., R. 5 W., 5 miles east of the village of Pond Creek, Grant 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:
OUSM 2-0-S11: Partial mandible.
OUSM 3-0-S4: 5 vertebrae.
OUSM 3-13-S3: Distal end of humerus.
OUSM 4-0-S33: Partial skull, snout.
UM 10773: Identified as Pariotichus sp in collections.
RICQULES & BOLT, 1983
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: Willington Formation (Garber Formation), Summer Group.
Biostratigraphy:
Age: Middle Leonardian stage, upper Rotliegendes Epoch, Early Permian.
Material:
FM 6065, 6066: Left premaxillae.
FM 6067, 6068: Symphysial area of right dentarys.
FM 6069: Posterior half of right dentary.
FM 6070: Posterior 1/3 of right dentary.
FM 6071: Right maxilla.
FM 6072: Right dentary and maxilla.
FM 6073: Right maxilla.
FM 6074: Left paremaxilla.
FM 6107: Tooth portion of right dentary.
FM 6108: Anterior 1/3 of left dentary.
LeBLAC, MacDOUGALL, HARIDY, SCOTT & REISZ, 2017
OMNH 15024: Partial caudal series.
SUMIDA, 1987
AMNH 4332: Skull and fragmentary skeleton.
AMNH 4434: Almost complete skeleton.
AMNH 5494: Skull and almost complete axial column.
AMNH Unnumbered: Axial column, partial skull and scattered bones.
VAUGHN, 1970
UCLA VP 1735
Locality: Richards Spur Site, 6 miles north Fort Sill, sec. 31, T 4N, R 11W, Fissure Fills, Comanche County, Oklahoma.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material: Disarticulated dorsal vertebrae.
ZIDEK, JOHNSON, MAY & CLABORN, 2004
Locality: OMNH V 173, Northeast Frederic site of Simpson, (1976, 1979), Tillman County, Oklahoma.
Horizon: Garber Sandstone, Upper part of the Sumner Group, possibly equivalent to the Lower Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
Number: Not given:
Locality: OMNH V 247, Lake Frederick site, Tillman County, Oklahoma.Horizon: Garber Sandstone, Upper part of the Sumner Group, possibly equivalent to the Lower Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
Number: Not given:
= Ectocynodon ordinatus COPE, 1878 (nomen dubium)
Etymology:
= Pariotichus ordinatus (COPE, 1878) COPE, 1896 (nomen dubium)
Holotype: AMNH 4345
Locality: Texas.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material: Fragmentary skull.
= Pariotichus brachyops COPE, 1878 (nomen dubium)
Etymology: Greek, brachy, "short" and Greek, ops, "face."
Holotype: AMNH 4328
Locality: Texas.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material: Fragmentary skull.
Homotype: AMNH 4760: Skull.
= Ectocynodon incisivus COPE, 1888
Etymology: Latin, incisivus, "cut into."
= Labidosaurus incisivus (COPE, 1888) WILLISTON, 1908
= Pariotichus incisivus (COPE, 1888) COPE, 1896
= Captorhinus incisivus (COPE, 1888) CASE, 1911
Holotype: 634
Locality:
Horizon:
Biostratigraphy:
Age:
Material: Skull.
Referred material:
WILLISTON 1917
Locality: Craddock Ranch, near Seymour, Texas.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
174: Skull and fragmentary skeleton.
178, 177: Skulls.
183: Skull and skeleton.
= Captorhinus angusticeps COPE, 1896
Etymology: Latin, angustus, -a, -um, "narrow" and Latin, -ceps, "head."
= Pariotichus angusticeps (COPE, 1896)
Holotype: AMNH 4438
Locality: 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: Fragmentary skull.
Referred material:
Locality: West 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:
AMNH 4457, 4334: Skull.
= Pariotichus isolomus COPE, 1896
Etymology:
= Captorhinus isolomus (COPE, 1896) CASE, 1911
Holotype: AMNH 4338
Locality: 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.
Referred material:
BROILI 1904
Locality: Texas.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material:
Number: Not given: Skull, fragmentary skulls and fragmentary skeletons.
OLSON 1951
Locality: Texas.
Horizon: Arroyo Formation, Lower Clear Fork Group.
Biostratigraphy: Land-vertebrate faunachron lower D.
Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.
Material:
FMNH (CNHM) UC 1702: Fragmentary skull.
= Pariotichus aduncus COPE, 1896
Etymology: Latin, ad + uncus, “a hook; hooked.”
= Captorhinus aduncus (COPE, 1896) CASE, 1911
Holotype: AMNH 4332
Locality: Indian 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: Imperfect skull and few fragments of the skeleton.
= Hypopnous squaliceps COPE, 1895
Etymology:
= Romeria sp (COPE, 1895)
Holotype: AMNH 4335
Locality: Baylor County, Texas.
Horizon:
Biostratigraphy:
Age: Early Permian.
Material: Fragmentary skull.
= Hypopnous squalidens COPE, 1896
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
Number:
= Pariotichus laticeps WILLISTON, 1903
Etymology: Latin, latus, "wide" and Laitn, -ceps, "head."
Holotype: FMNH (CNHM) UC 642
Locality: Mitchell Creek, 2 miles South of Big Wichita River, Baylor County, Texas.
Horizon: Lower to middle Waggoner Ranch Formation (formerly Clyde Formation, upper Wichita Group) Upper Wichita Group.
Biostratigraphy: Land-vertebrate faunachron lower to middle C.
Age: Lower Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.
Material: Skull.
= Captorhinus ordinatus (COPE, 1878) CASE, 1911 (nomen vanum)
Etymology: Latin, ordinatus, "arrange, set in order."
Holotype:
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
= Bayloria morei OLSON, 1941
Etymology:
Holotype: FHNH UC 1639
Locality: 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: Fragmentary skull of a juvenile.
