Species: greeri WELLES 1947
Etymology:

Locality: UC locality V3911, the Holbrook Quarry, Navajo County, Arizona.

Horizon: Upper Moenkopi Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic Epoch, Middle Triassic.

Material:

Referred specimen not type:

UCMP 37815: Right ilium.