Genus: Captorhinus COPE, 1896
Etymology: Greek, kapto, "snatch at food" and Greek, rhin- (rhis), “snout”, + us: Snatching snout.
= Bayloria OLSON, 1941
Etymology: In reference to Baylor County, Texas.
= Pariotichus COPE, 1878
Etymology:
= Ectocynodon COPE, 1878
Etymology: Greek, ekto, “external, outside” and Greek, kynodon, “canine tooth”: External canine tooth.
= Hypopnous COPE, 1895
Etymology: Greek, hypo-, “below, under, on the lower side” and Greek, pnous, “breath”: Underside breather.

Species: aguti (COPE, 1882) COPE, 1896
Etymology:
= Ectocynodon aguti COPE, 1882
= Pariotichus aguti (COPE, 1882)

Holotype: AMNH 4333

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:

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.

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.

OMNH 52329: Skull.

 

 

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) (nomen dubium)

Holotype: AMNH 4345

Locality: Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: Fragmentary skull.

 

= Pariotichus brachyops COPE, 1896? (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)
= Pariotichus incisivus (COPE, 1888)
= Captorhinus incisivus (COPE, 1888)

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)

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)

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.

_____________________________________________________________________________________

Species: magnus KISSEL, DILKES & REISZ, 2002
Etymology: Latin, magnus, "large": referring ot the large size of this species relative to Captorhinus aguti, the type species of the genus Captorhinus.

Holotype: OMNH 55387

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, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).

Biostratigraphy:

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

Material: Complete right femur.

Referred material:

OMNH 55386: Complete right maxilla.

OMNH 5390: Complete left fibula.

OMNH 55391: Complete left mandible.

OMNH 55392: Anterior portion of right mandible.

OMNH 55396: Left astragalus.

OMNH 55397: Right astragalus.

OMNH 55399: Astragalus lacking proximal centrale.

OMNH 55400: Right intermedium.

OMNH 56820: Dorsal portions of cranium lacking jugals, maxillae, left postfrontal, supratemporals, braincase and palate.

OMNH 56821: Partial skull lacking nasals, premaxilae, and portions of the dentaries, lacrimals, maxillae and prefrontals.

OMNH 56881: Complete left humerus.

OMNH 56884: Left femur lacking extreme proximal end.

OMNH 56885: Complete left femur.

OMNH 56886: Complete right femur.

OMNH 56888: Right femur lacking distal end of tibal condyle.

OMNH 56891: Left side of pelvis.

OMNH 56893: Left side of pelvis.

OMNH 56894: Left side of pelvis.

OMNH 56896: Proximal end of left ulna.

OMNH 56897: Proximal end of right ulna.

OMNH 56900: Proximal end of left ulna.

OMNH 56909-56911: Glenoids portion of left scapulocoracoids.

OMNH 56912, 56913: Glenoids portion of right scapulocoracoids.

OMNH 56917: Right mandible lacking proximal and distal ends.

OMNH 56921: Left mandible lacking distal end.

OMNH 56923: Left dentary.

OMNH 56929, 56934: Proximal end of left femora.

OMNH 56943: Proximal end of right femur.

OMNH 56961, 56963, 56965: Distal end of right humeri.

OMNH 56967, 56970: Distal end of left humeri.

OMNH 56973, 56975: Proximal end of right humeri.

OMNH 56983, 56984: Proximal ends of left humeri.

LeBLANC & REISZ, 2015

BMRP 2005.3.1: Skull and mandible.

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Species: kierani DeBRAGA, BEVITT & REISZ, 2019
Etymology: In honor of Kieran Davis who is an amateur collector with undergraduate training in Physical Geography from the university of Coventry and extensive collecting experience, most notably Devonian microfossils of Tennessee.

Holotype: OMNH 73281a

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: Subadlt Skull.

Referred material:

ROMVP 80229: Isolated, complete right dentary.