Species: clidastoides (MERRIAM, 1894) RUSSELL, 1967
Referred material:
Locality: Garrett Ranch, 7 or 8 miles northwest of Wakeeney, Trego County, Kansas.
Horizon: Smoky Hill Chalk Member, Niobrara Formation.
Biostratigraphy:
Age: Santonian Stage, Middle Senonian Subepoch, Uppermiddle Gulf Epoch, Late Cretaceous.
Material:
FHM 7937: Skull.
LINDGREN, EVERHART & CALDWELL, 2011
FHSM VP-401: Complete skull and articulated anterior half of skeleton.
Note: Has skin impressions.