Species: striatus COPE, 1878
Etymology: Latin, striatus, "furrowed, grooved, fluted, striated."
Holotype: AMNH 4320
Locality: Mount Barry Locality, Wichita County, Texas.
Horizon: Petrolia Formation, Wichita Group.
Biostratigraphy:
Age: Upper Wolfcampian to lower Leonardian, Rotliegendes Epoch, Early Permian.
Material: Imperfect posterior portion of skull.
Lectotypes:
AMNH FR 4321: Skull and mandible.
AMNH FR 4322: Partial dentary and four articulated vertebrae.
AMNH FR 4324: Anterior part of a skull and mandible in articulation and maxillary and dentary fragments.
AMNH FR 4326: Maxillary and dentary fragments, five articualted vertebrae.
AMNH FR 4327: Skull and mandible in articulation.
AMNH FR 4462: Anterior pat of a skull and mandible in articulation.
BROOM, 1913
BROOM, 1913
Referred material:
AMNH 4865, 4686: Fragmentary skull and mandible.
Locality: Godwin Creek, in the northern portion of Archer County, Texas.
Horizon: Petrolia Formation, Wichita Group.
Biostratigraphy:
Age: Upper Wolfcampian to lower Leonardian, Rotliegendes Epoch, Early Permian.
Material:
MCZ 1436: Anterior part of a right dentary, dentary fragment, and posterior part of a left dentary.
Locality: Geraldine Bonebed locality, Archer County, Texas.
Horizon: Petrolia Formation, Wichita Group.
Biostratigraphy:
Age: Upper Wolfcampian to lower Leonardian, Rotliegendes Epoch, Early Permian.
Material:
MCZ 1910: Right premaxilla and maxilla.
MCZ 2089: Fragment of left dentary.
Locality: Briar Creek Bonebed Locality, Boone Ranch, Archer County, Texas.
Horizon: Nocona Formation, Wichita Group.
Biostratigraphy:
Age: Wolfcampian, Rotliegendes Epoch, Early Permian.
Matrial:
MCZ 2087: Maxilla, dentary, and other jaw bones, manus, ilium, parital femora, tibia, fibula, and ungual phalanges.
MCZ 2088: Partial left mandibular ramus and 12 articulated vertebrae.
MCZ 2090: Maxillary fragment and partial mandible.
Locality: TMM locality 45561, Archer City Bonebed, near Archer City, Archer County, Texas.
Horizon: Archer City Formation, Bowie Group.
Biostratigraphy:
Age: Wolfcampian, Rotliegendes Epoch, Early Permian.
Matrial:
TMM 45561-9: Partial mandible.
TMM 45561-16: Mandible.
LUCAS, BERMAN, HENRICI & HUNT, 2005
Locality: Locality UCMP V-3431, Anderson Quarry, 1.3 km southwest of the type locality of Stegotretus agyrus, 3/4 of a mile S55'W of Loma Salazar in a small gulch some 1,385 yards S14'W of the Rio Pueroc Bridge SE 1/4, NW 1/4, SW 1/4,just above massive sandstone lens one mile above confluence of Rio Puerco and Poleo Creek, and 1/4 miles east of Rio Puerco, SW 1/4, Sec. 8, T22N, R3E, near Arroyo del Agua, Rio Arriba County, New Mexico.
Horizon: Upper part of the El Cobre Canyon Formation, Cutler Group (Cutler Formation, Abo Formation).
Biostratigraphy:
Age: Wolfcampanian stage, Upper Rotliegendes Epoch, Early Permian.
Material:
CM 47873: Left maxillary fragment.
UCMP 45921: Left dentary fragment.
SMITH, 1927, CZAPLEWSKI, CIFELLI & LANGSTON JR, 1994
Locality: V114, Grant 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:
Unnumbered: Complete right dentary with teeth.
Note: Now missing.
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Species: major BROOM, 1913
Etymology:
Holotype: AMNH 4461
Locality:
Horizon:
Biostratigraphy:
Age:
Material: Fragmentary skull.
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Species: traati TATARINOV, 1974
Etymology:
Holotype: PIN 3318/1
Locality: Headwaters of Yuzhnava Mviva River, Shakhyvich homestead, Komi, European Russia.
Horizon:
Biostratigraphy:
Age: Asselian stage, Early Permian.
Material: Left maxilla.
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Species: grandis REISZ, BARKAS & SCOTT, 2002
Etymology: Latin, grandis, "full-grown, grown up, large"; in reference to large size of this taxon.
Holotype: OMNM 52311
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: 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: An isolated left dentary with teeth.
Referred material:
OMNH No. 15104: Left maxillary fragment bearing 5 teeth and a posterior socket for an additional tooth.
OMNH No. 56818: A partial right dentary bearing 4 complete teeth and the broken bases of 3 additional teeth.
SNYDER, LeBLANC, JUN, BEVITT & REISZ, 2020
ROMVP 83327: Dentary.
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