Holotype: MCZ 8817

Locality: MCZ locality 40/78a, Shake-N-Bake” Locality, Willow Springs Area, Adeii Eechii Cliffs, Northern Arizona.

Horizon: Upper Sality Facies Member, top of the Middle third Kayenta Formation.

Biostratigraphy:

Age: ?Sinemurian-Pliesbachian Stage, Middle Lias Epoch, Middle Early Jurassic.

Material:

MCZ 8817: At least 11 individuals are present, as indicated by the proximal end of 11 femora, nearly all the identifiable fragments are from the pelvis, hindlimb, and tail. All determinable material is from robust individuals.
Note: A small genus.