Species: merriami NICHOLLS & BRINKMAN, 1993
Etymology: In honor of John C. Merriam.

Holotype: TMP 89.127.1

Locality: "D" crique, near Wapiti Lake, 54'31"10'"N, 120'43"19'"W, British Columbia Province, Canada.

Horizon: Sulphur Mountain Formation.

Biostratigraphy:

Age: Griesbachian to Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

Material: Skull, mandible, scattered vertebrae and ribs, isolated appendicular elements, ischium, and propodial.

Referred material:

TMP 89.127.2: Maxilla, lachrymal and possible prefrontal.

 

Locality: "B" crique, near Wapiti Lake, 54'31"10'"N, 120'43"19'"W, British Columbia Province, Canada.

Horizon: Sulphur Mountain Formation.

Biostratigraphy:

Age: Griesbachian to Spathian in Stage, Upper Scythian Epoch, Late Early Triassic.

Material:

TMP 91.120.21: Vomer, both maxillae, right premaxilla and pterygoid.