Genus: Nova IRMIS, NESBITT & DOWNS, 2006

Holotype:

Locality: Hayden Quarry, near Ghost Ranch Quarry, Rio Arriba County, New Mexico.

Horizon: Petrified Forest Formation, Chinle Group.

Biostratigraphy:

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

Material: