Genus: Platyhystrix WILLISTON, 1911
Etymology:

Species: rugosus (CASE, 1910) WILLISTON, 1911
Etymology:
= Ctenosaurus rugosus CASE, 1910

Holotype: AMNH 4785

Locality: Arroyo de Agua, Rio Arriba County, New Mexico.

Horizon: Cutler Formation.

Biostratigraphy:

Age: Early Permian.

Material: A few neural spines of dorsal vertebrae.

WILLISTON,

Referred material:

 

BERMAN, 1993

Locality: Pecos River Valley Locality, drainage from Glorieta Pass at Glorieta on the eastern border of Santa Fe County, southeastward to about 8 km South of Ribera in San Miguel County, New Mexico.

Horizon: Sangre de Cristo Formation.

Biostratigraphy:

Age: Probably Missourian, Lower Stephanian, upper Silesian Stage, Kasimovian Epoch? Late Pennsylvanian (Late Carboniferous).

Material:

Number: Not given:

 

Locality: Tularosa Locality, 20 km long northwest-southeast line 3.2 km west of the town of Tularosa and along the western escarpment of the Sacramento Mountains, Otero County, New Mexico.

Horizon: Abo Formation.

Biostratigraphy:

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

Material:

Number: Not given.

BERMAN, REISZ & FRACASSO, 1981

Locality: Near Arroyo del Agua, Rio Arriba County, North-Central New Mexico.

Horizon: Upper Cutler Formation.

Biostratigraphy:

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

Material:

AMNH 11544: Partial axial skeleton and AMNH 11545: Fragmentary skull, almost certainly belonging to a single individual.

UCMP 39090 and UCMP 39092: Fragments of skull, dorsal vertebrae and ribs.

 

Locality: El Cobre Canyon Locality, 8 km northwest of the small village of Abiquiu, Rio Arriba County, New Mexico.

Horizon: Upper Cutler Formation.

Biostratigraphy:

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

Material:

Number: Not given.

 

= Platyhystrix cf. P. rugosus CANTRELL, SUAZO, BERMAN, SPIELMANN, LUCAS, HENRICI & RINEHART, 2013

Locality: Gallina Wash locality (NMMNH locality 4668, CM locality 1057), Joyita Hills region, approximately 20 km northeast of Socorro, central Socorro County, New Mexico.

Horizon: Scholle Member, Lower Abo Formation.

Biostratigraphy:

Age: Middle Wolfcampian State (Coyotean or Seymouran age), Lower Rotliegendes Epoch, Early Permian.

Material:

NMMNH P-35702: Dermal bone fragment.

NMMNH P-63350: Incomplete skull.

NMMNH P065006: Dermal bone fragment.

NMMNH P-65599: Indeterminate bone fragment.

NMMNH P-66816: Dermal bone fragment.

 

LANGSTON, 1953

Locality: Welles quarry, V-3428, 375 yards S.51W of Loma Salazar, near Arroyo de Agua, Rio Arriba County, Northeastern New Mexico.

Horizon: Upper Cutler Formation.

Biostratigraphy:

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

Material:

UCMP 33437: 14 vertebrae and 5 incomplete ribs.

UCMP 3347 and 34225, Wells quarry (V-3528) and Quarry Butte Locality (V-3529), respectively (Langston didn't state which illistration was which); A) presumed anterior dorsal neural arch and spines from the right side; B) middorsal neural arch from the front showing transverse barbs; C) middorsal neural spine from the left side; D) posterior or anterior caudal neural arch and spine from the left side. (After Langston, 1953).

Locality: Quary Butte locality, V-3529, Rio Arriba County, New Mexico.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

UCMP 34225: 11 more or less complete but dissociated neural arches and spines, and 2 incomplete ribs.

UCMP 39089: Fragmentary neural spines.

UCMP 39090: 5 neural spines-probably associated- a rib and 3 probable skull fragments.

UCMP 39091: A complete neural spine.


Locality: Unknown, New Mexico.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material:

UCMP 39092: 2 probable cranial and mandibular fragments.

 

LEWIS & VAUGHN, 1965

Locality: 1/10 to 3/4 mile wide on both sides of the San Miguel River 4 miles upstream and 4 miles downstream from the town of Placerville, San Miguel County, Colorado.

Horizon: Upper Cutler Formation.

Biostratigraphy:

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

Material:

MCZ 2982: Neural spines.

Reconstruction of the skeleton. Dark areas are what is known.

= Platyhystrix cf. P. rugosus SUMIDA, WALLISER & LOMBARD, 1999

Number: Not given.

Locality: Cedar Point, NE ¼, SE ¼, sec.17, T41S, R18E, Utah.

Horizon: Halgaito Shale, equivalent of Lower Cutler Formation.

Biostratigraphy:

Age: Virgilian, upper Stephanian, Upper Silesian Series, Gzelian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

 

VAUGHN, 1966

Locality: Lisbon Valley, SE ¼, SE ¼, sec. 30, T30S, R25E, about 12 miles south-southeast of the town of La Sal, San Juan County, Utah.

Horizon: Halgaito Shale, equivalent of Lower Cutler Formation.

Biostratigraphy:

Age: Virgilian, upper Stephanian, Upper Silesian Series, Gzelian Epoch, Late Pennsylvanian (Late Carboniferous).

Material:

UCLA VA 1677 :

 

Cf. rugosus VAUGHN, 1969

Locality: Laborcita Canyon localities, Otero County, New Mexico.

Horizon: Abo Formation.

Biostratigraphy:

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

Material:

UCLA VP 1732: Neural spine.

UCLA VP 1722: 7 articulated vertebrae with ribs.