Genus: Captorhinus COPE, 1896
Etymology: Greek, kapto, snatch at food’, Greek, rhin- (rhis), “snout”, + us: Snatching snout.
= Bayloria OLSON, 1941
Etymology:
= Pariotichus COPE, 1878
Etymology:
= Ectocynodon COPE, 1878
Etymology: Greek, ekto, “external, outside”, Greek, kynodon, “canine tooth”: External canine tooth.
= Hypopnous COPE, 1895
Etymology: Greek, hypo-, “below, under, on the lower side”, 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.

 

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.

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.

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:

Holotype: AMNH 4328

Locality: Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: Fragmentary skull.

Homotype: AMNH 4760: Skull.

 

= Ectocynodon incisivus COPE, 1888
Etymology:
= 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:
= 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:
= 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:

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:

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.