Genus: Ectenosaurus RUSSELL, 1967

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.