Species: greenleeorum ROMER, 1937
Etymology:

Holotype: Walker Museum 464

Locality: El Cobre Canyon, near Abiquiu, Rio Arriba County, New Mexico.

Horizon: Abo/Cutler Formation, Cutler Group.

Biostratigraphy:

Age: Wolfcampian, Lower Rotliegendes Epoch, Early Permian.

Material: Fragmentary postcranial skeleton.
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Species: wellesi LANGSTON & REISZ, 1981
Etymology:

Holotype: UCMP 40096

Locality: UCMP Locality V-2813 (Camp Quarry), on the southeast slope of a small butte called Loma Salazar, 440 m south of the New Mexico State Highway 96, about 840 m southeast of the Rio Puerco bridge at Arroyo Del Agua, section 8, T22N, R3E, Rio Arriba County, New Mexico.

Horizon: Abo/Cutler Formation.

Biostratigraphy:

Age: Wolfcampian, Lower Rotliegendes Epoch, Early Permian.

Material: Skull and skeleton.

Referred material:

UCMP 40097, 40098: Fragmentary skeletons.

UCMP 35762: Braincase.

UCMP 40094, 40095: Fragmentary remains.