Species: sheddi SMALL, 1997
Etymology: In honor of Emmett Shedd who discovered the holotype and donated
it for study.
Holotype: Denver Museum of Natural History, DMNH 20491
Locality: Double U Ranch, approxmately 1.6 km (1 mile) southeast of Post, approxamately 180 meters north of U.S. highway 84, along Sand Creek, Lat. 33?10’45”N, Long. 101?21’15”W, Garza County, Texas.
Horizon: Cooper Canyon Formation, Dockum Group.
Biostratigraphy:
Age: Norian, Late Triassic Epoch, Late Triassic.
Material: Left dentary with 6 preserved teeth, and fragment of coronoid.
Referred material:
MARTZ & SMALL, 2019
Locality: DMNH locality 1306, Main Elk Creek, Eagle Basin, near New Castle, Eagle County, Northern Colorado.
Horizon: Chinle Formation.
Biostratigraphy:
Age: Norian/Rhaetian Stage, Late Triassic Epoch, Late Triassic.
Material:
DMNH EPV.56657:
MUELLER & CHATTERJEE, 2003
Locality: MOTT VPL 3874, Garza County, Texas.
Horizon: Cooper Canyon Formation, Dockum Group.
Biostratigraphy:
Age: Norian, Late Triassic Epoch, Late Triassic.
Material:
TTU 10068: Pre-orbital portion of a skull.
TTU 10081: Left maxilla and premaxilla.
TTU 10069: Right dentary.