Species: fenestratus WIMAN, 1930
Etymology:

Holotype: University of Uppsala, Sweden, PMU R200

Locality: 1 miles South of Kimbetoh Wash St. on south branch of Meyers Creek, NW 1/4, T22N, R10W? San Juan County, New Mexico.

Horizon: De-na-zin Member, Lower Kirtland Formation.

Biostratigraphy:

Age: Judithian age, Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Nearly complete skull and dentary.
Note: Possible paleopathology, ‘extra fontanelle’ in the squamosal (LULL, 1933, GILMORE, 1935), possibly from thrust injuries? (TANKE & ROTHSCHILD, 2002)