LUCAS, MARZOLF, & ANDERSON, 1997

Locality: Big Indian Rock, Lisbon Valley, Southeast Utah.

Horizon: Base of Wingate Sandstone.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

MNA V3498: Impression of a skull roof.

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LUCAS, SPIELMANN & RINEHART, 2013

Locality: Ghost Ranch Quarry or the Whitaker Quarry, SE 1/4, SE. 1/4, SW 1/4, Section 1, Township 24 North, Range 4 East, Rio Arriba County, New Mexico.

Horizon: Rock Point Formation, Chinle Group.

Biostratigraphy:

Age: Apachean, Late Norian Stage, Upper Late Triassic Epoch, Late Late Triassic.

Material:

NMMNH P-44920: Nearly complete skull of a juvenile.