Species: elegans LEIDY, 1856 (nomen dubium)
Etymology: Latin, elegans, "elegant, fine."

Holotype: AMNH 5661

Locality: Chatham County, North Carolina.

Horizon: Cumnock Formation, Newark Group.

Biostratigraphy:

Age: Late Triassic.

Material: Fragmentary skull roof.

Referred material:

DAVIDOW-HENRY, 1989

Locality: Howard County, Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

TMM 31100-42, 31100-124, TTUP 9042: Skulls.

TMM 31099-12B: Skull of a juvenile.

Locality: Crosby County, Texas.

Horizon: Dockum Formation.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

TTUP 9083: Large skull.

Locality: Petrified Forest National Park, Apache County, Arizona.

Horizon: Chinle Group.

Biostratigraphy:

Age: Carnian Stage, Late Triassic Epoch, Late Triassic.

Material:

UCMP 82/39/37: Small skull.