Genus: Brachydectes COPE, 1868
Etymology: Greek, brachys, "short" and Latin, dectes, "biter."
= Cocytinus COPE, 1871
Etymology:
= Lysorophus COPE, 1877
Etymology:
= Molgophis COPE, 1874
Etymology:
= Pleuroptyx COPE, 1875
Etymology:

Species: newberryi COPE, 1868
Etymology:

Holotype: AMNH 6941, formerly AMNH 8604G

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Nearly complete right mandible, left dentary, 2 premaxilla and a right maxilla.

Referred material:

BMNH R.2544: Nearly complete skeleton. Impression of entire animal, limbs incomplete and some caudal vertebrae missing, skull represented by an impression of the cranial roof, branchial arches and lower jaws also preserved.
Note: Cocytinus gyrinoides STEEN, 1931

BMNH R 2663: Impression of length of vertebral column and associated ribs, showing no structure.
Note: Cocytinus gyrinoides STEEN, 1931

AMNH 6861 formerly no. 7, Newberry Collection:
Note: As Molgophis wheatheyi MOODIE, 1916

MCZ 2156: Fragmentary skull.

MCZ 2304: Fragmentary skull.

CM 25095: Fragmentary skull and fragmentary skeleton.

CM 25653: Fragmentary skull and fragmentary skeleton.

MCZ 2133: Vertebrae and ribs.

MCZ 2158 formerly 52a and b, C. M. Wheatly collection: Vertebrae and ribs.
Note: As “batrachian reptile” Wyman, 1857, Molgophis macrurus COPE, 1857.

PU 16553: Vertebrae and ribs.
Note: Molgophis with reference to tail, D. BAIRD, 1965.

PU 20391: Vertebrae and ribs.

USNM 4477 formerly #8, R. D. Lacoe Collection: Vertebrae and ribs.
Note: Molgophis brevicostatus MOODIE, 1909, Pleuoptyx ROMER, 1930.

 

GREGORY 1950

Locality: Pit 11, near Braidwood, Mazon Creek, 10 km southeast of Morris, Grundy County, Illinois.

Horizon: Carbondale Formation, Frances Creek Shale.

Biostratigraphy:

Age: Myachkovskian Stage, Westphalian D, Lower Upper Silesian, Desmoniensean, Myachkovskian Stage, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

USNM 4313: 19 dorsal vertebrae and assorted ribs.
Note: Phlegethontia mazonensis GREGORY, 1950, Cocytinus gyrinoides BAIRD, 1964.

 

Locality: “Elm Grove Channel,” 1.2 km (3/4 mi) east of Elm Grove, Ohio County, West Virginia.

Horizon: Monongahela “B” freshwater limestone, Monongahela Group.

Biostratigraphy:

Age: Stephanian, Missourian-Virgilian, upper Silesian, Kasimovian-Gzelian epoch, Late Late Pennsylvanian (Late Late Carboniferous).

Material:

DSH 063.043, 063.071, 063.072, 063.518, o63.519: Fragmentary skulls and fragmentary skeletons.
Note: Lysorophus dunkardensis LUND, 1972

 

HUTTENLOCKER, PARDO & SMALL, 2005

Locality: Mayer Farm Locality, near Humboldt, Richardson County, Nebraska.

Horizon: Eskridge Formation, Council Grove Group.

Biostratigraphy:

Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

DMNH 36599, 43125: Right dentaries.

DMNH 43224: Complete skull and articulated postcranial skeleton.

DMNH 43435: Crushed skull and partial postcranial skeleton.

DMNH 49902: Partial skull roof and anterior axial skeleton.

DMNH 50142: Partial palate, braincase, with articulated hyobranchial skeleton and associated vertebrae.

 

= Molgophis macrurus COPE, 1868
Etymology:

Lectotype: AMNH 6968

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: A series of all or part of 15 vertebrae and associated ribs.

Referred material:

AMNH 6913 formerly 1103G: Part and counterpart of all or portions of 17 vertebrae and associated ribs.
Note: Colosteus scutellatus ROMER, 1930.

AMNH 6963 formerly 8007G, Newberry collection: Part and counterpart of a series of all or portions of perhaps 5 vertebrae and associated ribs.
Note: Possibly part of the original material of Molgophis brevicostatus.

 

Locality: Condit’s Jewett bonebed, fist cut on north side of railroad tracks, west of grade crossing of Ohio Route, 151, about 1.3 km (0.8 mi) west of town limits of Jewett, NW 1/4, sec 7, T7N, R9W, Rumlye Township, Harrison County, 7.,5’ quadrangle, Ohio.

Horizon: Conemaugh Group.

Biostratigraphy:

Age: Westphalian D, Lower Upper Silesian, Desmoniensean, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

MCZ 2289: Scrap.

 

Locality: Locality P-c-4b, cut on east side of U. S. Route 21, just north of junction, with Noble County Route 37, SE 1.4, NW 1/4, sec 7, T7N, R9W, Noble Township, Noble County, Ohio.

Horizon: Conemaugh Group.

Biostratigraphy:

Age: Westphalian D, Lower Upper Silesian, Desmoniensean, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

MCZ 2290: Scrap.

 

Locality: Locality P-c-4a, a “cut off nose” just west of West Fork of Duck Creek, Railroad tracks and U. S. Route 21, central section 30, T8N, R9W, Noble Township, Noble County, 7.5’ quadrangle, Ohio.

Horizon: Conemaugh Group.

Biostratigraphy:

Age: Westphalian D, Lower Upper Silesian, Desmoniensean, upper Moscovian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

MCZ 2294: Scrap.

 

Locality: Everly “bonebed”, C. H. Everly’s pasture, south side of Ohio route 78, just west of its junction with its junction with Ohio Route 147, Central section 30, T7N, R8W, Center Township, Noble County, 7.5’ quadrangle, Ohio.

Horizon: Freshwater Summerfield Limestone.

Biostratigraphy:

Age: Late Pennsylvanian.

Martial:

MCZ 2812: Scrap.

 

= Molgophis brevicostatus COPE, 1875
Etymology:

Holotype: AMNH 6840

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material:

= Molgophis wheatheyi COPE, 1874
Note: Cocytinus gyrinoides ROMER, 1930

Holotype: AMNH 6987 formerly AMNH 1101G

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skull and fragmentary skeleton.

 

= Cocytinus gyrinoides COPE 1871
Etymology:

Holotype: AMNH 6925 formerly AMNH 8613G

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skull and vertebrae.

Referred material:

FMNH UR 421, PR 827: Cast of type.

 

= Pleuroptyx clavatus COPE, 1875
Etymology:

Holotype: AMNH 6838 formerly AMNH 8617G

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skeleton.
Note: Colosteus scutellatus ROMER, 1930

Referred material:

AMNH 6863 formerly 8617G Newberry collection: 12 vertebrae and associated ribs.
Note: Erroneously as holotype MOODIE, 1916, Colosteus scutellatus ROMER, 1930.

BMNH R 2676: Impression of ribs and vertebrae.

MB. Am 47: A series of 3034 vertebrae and associated ribs.
Note: Molgophis cf. brevicostatus SCHWARZ, 1908.

MCZ 2303: Posterior portion of skull roof, pectoral girdle, and forelimb elements and portions of 13 vertebrae with associated ribs.

USNM 4509: 13-14 vertebrae associated ribs, pectoral girdle and forelimb elements.

= Pleuroptyx brevicostatus (COPE, 1875)
Etymology:
= Molgophis brevicostatus COPE, 1875 (partim)

Holotype: AMNH 8341G

Locality: Linton locality (Coal mines originally owned by the Ohio Diamond Coal Company), NE corner Sect. 13, T9N, R2W, Linton near Wellsvile, west bank near mouth of Yellow Creek, Saline Township, Jefferson County, Ohio.

Horizon: Canneloid shale underlying Upper Freeport Coal, Allegheny Group.

Biostratigraphy:

Age: Upper Westphalian D, Lower Upper Silesian series, Myachkovskian stage, Upper Moscovian Epoch, Middle Pennsylvanian (Late Carboniferous).

Material: Fragmentary skeleton.

= Lysorophus tricarinatus COPE, 1877
Etymology:

Holotype: FMNH UC 6526

Locality: North bank of Salt Fork at the tip of Horseshoe Bend of Vermillion River, 2 miles south of Oakwood, Vermillion County, Illinois.

Horizon: Modesto Formation, Middle McLeansboro Group.

Biostratigraphy:

Age: Early Conemaugh, Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian.

Material: Partial vertebral centrum.

Paratype: FMNH UR 6527a, b: Two centra.

Note: Lysorophus has been found in burrows (SCHULTZE, 1985)

Referred material:

FMNH UC 6528: 17 whole or partial centra.


CASE, 1902

Locality: Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Fragmentary skeleton.

 

CASE, 1908

Locality: Texas.

Horizon:

Biostratigraphy:

Age: Early Permian

Material:

Number: Not given: 5 skulls.

 

OLSON, 1939

Locality: Loc. 1, East Coffee Creek, west banks, 1 1/2 miles north of Lake Kemp, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 2, head of west branch of creek, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: A large skull.

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 1, West Coffee Creek, Head of creek, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 2, West Coffee Creek, head of creek, 1/2 mile west of location No. 1, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 3, West Coffee Creek, "Lysorophus hill", east banks of creek, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 1, Bushy Creek, west bank, 1/4 mile north of head of stream, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 2, Bushy Creek, west bank, 3/4 mile north of location No. 1, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

Locality: Loc. 3, Bushy Creek, Craddock's Ranch, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Ribs and vertebrae.

 

OLSON, 1970

Locality: SW 1/4, NW 1/4, sec. 13, T8N, R2W, Cleveland County, Oklahoma.

Horizon: Hennessey Formation, (Arroyo equivalent), Low Clear Fork Group.

Biostratigraphy:

Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

FMNH UR 1034: Skull and jaws.

FMNH UR 1036: Fragmentary skull.

FMNH UR 1037: Fragmentary skull and fragmentary skeleton.

FMNH UR 1230: Skull and jaws.

FMNH UR 1231: Fragmentary skull.

FMNH UR 1232: Vertebrae and ribs.

FMNH UR 1233: Fragmentary skull.

FMNH UR 1240: Skull and jaws.

FMNH UR 1288: Skull and jaws.

FMNH UR 1289: Fragmentary skull and jaws.

FMNH UR 1290: Skull and fragmentary skeleton.

FMNH UR 1291: Fragmentary skull and vertebrae.

FMNH UR 1292: Skull and jaws, scrap.

FMNH UR 1293: Skull and jaws, vertebrae.

FMNH UR 1294: Fragmentary skull and fragmentary skeleton.

FMNH UR 1295: Fragmentary skeleton.

OUSM 2-40-S11: Vertebrae.

OUSM 2-40-S12: Partial column.

50 partial skeletons.

 

SCHULTZE & FOREMAN, 1981

Locality: Roadcut on Kansas State Highway 99, 1.5 miles northwest of Eskridge, Wabaunsee County, Kansas.

Horizon: Lower part of Speiser Shale, Council Grove Group.

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given:

 

WILLISTON,

= Lysorophus cf tricarinatus DALQUEST & KOCURKO 1989

Locality: Lake Kemp Dam, North-central Texas.

Horizon: Upper Waggoner Ranch Formation (formerly Lueders Formation, upper Wichita Group) Upper Wichita Group.

Biostratigraphy: Land-vertebrate faunachron upper C.

Age: Lower Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

Number: Not given:

 

= Lysorophus cf tricarinatus DALY 1973

Locality: South Grandfield, southern Tillman County, Oklahoma.

Horizon: Hennessey Formation, (Arroyo equivalent), Low Clear Fork Group.

Biostratigraphy:

Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

FM UR 2295: 2 short series of typical vertebrae and ribs.

UCLA VP 2802: Skull and skeleton.

 

= Lysorophus cf tricarinatus OLSON, 1967

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: Wellington Formation (Garber Formation), Summer Group, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).

Biostratigraphy:

Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

CNHM UR 1021: Vertebrae and ribs.

OUSM 2-0-S21: Vertebrae and ribs.

UM 16077: Vertebrae and ribs.

 

= Lysorophus cf tricarinatus OLSON, 1971

Locality: SW 1/4, NW 1/4, sec. 13, T8N, R2w, Cleveland County, Oklahoma.

Horizon: Hennessey Formation, (Arroyo equivalent), Low Clear Fork Group.

Biostratigraphy:

Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

UCLA VP 2802: Skull and skeleton.

 

= Lysorophus cf tricarinatus PATON, 1975

Locality: Oakwood, Vermilion County, Illinois.

Horizon:
Biostratigraphy:

Age: Asselian-Upper Carboniferous.

Material:

RSM: 1 vertebra.


= Lysorophus dunkardensis ROMER, 1952
Etymology:

Holotype: CM 8581

Locality: CM locality 37, approximately 1.1 km (0.7 mile) west of Silver Hill, Proctor District, Wetzel County, on the east side of the road to Macedonia School, West Virginia.

Horizon: A four-inch thick brown, limey clay of uncertain stratigraphic position within the Greene Formation, Dunkard Group,.

Biostratigraphy:

Age: Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian.

Material: Isolated holospondylous vertebral centrum.

Referred material:

Locality: Locality 34, north side of Newdale-West P. O. Road, Proctor District, Wetzel County, about 0.33 km (0.2 mi) northeast of Newdale, West Virginia.

Horizon: Freshwater limestone bed approximately 15 m (about 50 ft) below Windy Gap Coal, Greene Formation, Dunkard Group.

Biostratigraphy:

Age: Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian

Material:

CM 8584: Dorsal vertebrae.


Locality: CM Locality 35, south side of West P. O. -Silver Hill Road, About 1 km (0.6 mi) east of West P. O., Proctor District, Wetzel County, West Virginia.

Horizon: A 60 cm ( 2 ft) thick sandy shale apparently underlying the Windy Gap coal horizon by approximately 12 m (about 40 ft.), Greene Formation, Dunkard Group.

Biostratigraphy:

Age: Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian

Material:

CM 8585: Dorsal vertebrae.

 

Locality: CM Locality 1, a quarry on east side of Soho Street, Approximately 0.25 km (0.2 to 0.3 mi) north of Fifth Avenue, Pittsburgh, Allegheny County, Pennsylvanian.

Horizon: Freshwater limestone bed within the Pittsburgh Limestone, lying 12 m (40 ft) bellow the base of the Pittsburgh Coal, Coneaugh Group.

Biostratigraphy:

Age: Late Pennsylvanian, (= Stephanian).

Material:

CM 8586: 3 disarticulated centra.

 

Locality: Locality 3, an outcrop just north of Owl Run, approximately 2.0 km (1.0 to 1.5 mi), northeast of Sisterville, Lincoln District, Tyler County, on the west side of West Virginia Route 2 to Paden City, West Virginia.

Horizon: Uniontown Limestone, Monongahela Group.

Biostratigraphy:

Age: Stephanian, Missourian-Virgilian, upper Silesian, Kasimovian-Gzelian epoch, Late Late Pennsylvanian (Late Late Carboniferous).

Material:

CM 8587: Vertebral elements and ribs.

 

Locality: CM locality 6, an outcrop in SW 1.4,sec. 18, T3N, R2W, Adams Township, Monrose County, Ohio.

Horizon: Interbedded limestone and shale at a horizon equivalent to the Mount Morris Limestone of West Virginia and Pennsylvania, approximately 1.3 km (7-10 ft) beneath the Waynesburg “A” Coal, Washington Formation, Dunkard Group.

Biostratigraphy:

Age: Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian.

Material:

CM 8590: Vertebral elements and ribs.

 

WHIPPLE & CASE, 1930

Locality: Locality L, Rayerson Station, Pittsburgh-West Virginia.

Horizon: Washington Formation, Dunkard Group.

Biostratigraphy:

Age: Wolfcampanian stage, upper lower to lower middle Rotliegendes Epoch, Early Permian.

Material:

Number: Not given: Ribs.

 

= Brachydectes elongatus WELLSTEAD, 1992
Etymology:

Holotype: UCLA-VP 2802

Locality: SW /14, NW 1/4, sec, 13, T8N, R2W, Roughly 5 miles southeast of the center of the University of Oklahoma main campus, Cleveland County, Oklahoma.

Horizon: Hennessey Formation, (Arroyo equivalent), Low Clear Fork Group.

Biostratigraphy:

Age: Leonardian Stage, Lower Rotliegendes Epoch, Early Permian.

Material: A nearly complete skeleton.

Referred material:

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 4699, 4762a, 4698, 4700, 4884: Skulls.

AMNH 4696: Skull and skeleton.
Note: Lysorophus HUENE, 1913.

AMNH 4701: Skull and skeleton.

AMNH 4761: Skull and skeleton.
Note: Lysorophus HUENE, 1913.

USNM 8891, 8893 (partim) formerly “number 18,” : Skull and skeleton.

USNM 23727 formerly “number 18”: A series of vertebrae, including caudals, associated ribs, pectoral girdle and forelimb elements.
Note: Lysorophus CARROLL, 1968

 

Locality: Craddock Bonebed, 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 6172: Skull.

 

Locality: North side of the Big Wichita River, Wilbarger County, Texas.

Horizon: Clear Fork Group, Artinskian Stage.

Biostratigraphy:

Age: Lower Rotliegendes Epoch, Early Permian.

Material:

UMMP V9769: Skull.

 

Locality: Wilbarger County, Texas.

Horizon: Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

FMNH PR 1456: Skull and skeleton.

FMNH UR 344: 3 nodules bearing a series of vertebrae and ribs.
Note: Lysorophus CASE, 1902.

UMMP V3036: Skull and skeleton.

UMMP V214885: Skull and skeleton.

 

Locality: 1.6 km (1 mile) northwest of Sternberg Hill, Sect. 85, Blk. 2. H. and TC. Railroad Survey, 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 2254: Skull and skeleton.

 

Locality: Coffee Creek, Sect. 78, Blk. 2. H. and TC. Railroad Survey, 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 2253, 2256, 2808, UW 6874: Fragmentary skeleton.

 

Locality: Head of Pony Creek, Sec. 139, T. and NO. Railroad Survey, Abstract 331, 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 2255 (partim): Fragmentary skeleton.

 

Locality: SE 1/4, sec. 4, T7S, R9E, south of State Lake, Westmoreland, Pottawatomie County, Kansas.

Horizon: Blue Rapids Shale, just below the Funston Limestone.

Biostratigraphy:

Age: Early Permian.

Material:

KU 28245: Skull and skeleton.

KU 28346, KU 28348, KU 28350: Fragmentary skeletons.

 

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 7558: Partial braincase.

 

Locality: North of Seymour (?Pony Creek), Wilbarger County, Texas.

Horizon: Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

MCZ 2202: Fragmentary skeleton.

 

Locality: N 1/2, NW 1/4, 7.5’ quadrangle, Soap Creek, Baylor County, Texas.

Horizon: Vale Formation, Middle Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower to middle D.

Age: Upper Leonardian Stage,Upper Rotliegendes Epoch, Early Permian.

Material:

RM 14-728: Vertebrae, associated ribs, pectoral girdle, and limb elements.

 


Locality: Big Wichita River, West of Hog Creek, Baylor County, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

AMNH 4757: Fragmentary skeleton with forelimb material?

 


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 440: Fragmentary skeleton.

 

HEMBREE, MARTIN & HASIOTIS, 2003

Locality: Eastern Kansas.

Horizon: Speiser Shale, Council Grove Group.

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Burrows.
Note: No body fossils found.

 

HUTTENLOCKER, PARDO & SMALL, 2005

Locality: Mayer Farm Locality, near Humboldt, Richardson County, Nebraska.

Horizon: Eskridge Formation, Council Grove Group.

Biostratigraphy:

Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

DMNH 47854: Crushed skull with hyobranchial skeleton and associated vertebrae.

 

Locality: Raney Farm Locality, near Humboldt, Richardson County, Nebraska.

Horizon: Eskridge Formation, Council Grove Group.

Biostratigraphy:

Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

DMNH 43144: Partial postcranial skeleton.

DMNH 50641: Disarticulated but associated skeleton.

 

 

Locality: Shot in the Dark Quarry, near Humboldt, Richardson County, Nebraska.

Horizon: Eskridge Formation, Council Grove Group.

Biostratigraphy:

Age: Earliest Wolfcampian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

USNM 32100: Partial skull roof.

USNM 32149: Posterior skull roof preserving parietal region and suspensorium.

 

= Lysorophus tricarinatus COPE,1877 (partim)

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given:

 

_____________________________________________________________________________________

Species: minutus (ROMER, 1952) emend CARROLL, BOSSY, MILNER, ANDREWS & WELLSTEAD, 1998
Etymology:
= Lysorophus minutus ROMER, 1952

Holotype: No. 8564

Locality: Locality 30, Franklin District, Marshal County, West Virginia.

Horizon: Greene Formation, Dunkard Group, possible the Upper Rockport limestone.

Biostratigraphy:

Age: Wolfcampanian, Early Permian.

Material: Fragmentary skull and fragmentary skeleton.

Referred material:

BROUGH & BROUGH, 1967

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

BMNH R3445: 3 centra and neural arches and ribs.

 

CARROLL & GASKILL, 1978

Locality:

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

AMNH 6172: Skull and dentary.

 

FOREMAN & MARTIN, 1988

Locality: Westmoreland locality, SE sec. 16, T7S, R9S, Pottawatomie County, Kansas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: Skull and skeleton.

 

Locality: Bushong locality, a roadcut along US-56 in NE sec. 15, T16S, R10E, Lyon County, Kansas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given:

 

Locality: Eskridge locality, near the town of Eskridge, SE sec. 36, T13S, R11E, Wabaunsee County, Kansas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given:

 

Locality: Keats locality, Kitten Creek in NWSE sec. 36, T9S, R6E, Riley County, Kansas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

Number: Not given: