Genus: Jayewati McDONALD, WOLF & KIRKLAND, 2010
Etymology: Zuni verb jeya-/u, 'grind', and noun awati, 'mouth'; essentially, 'grinding mouth', in reference to the mastication mechanism evolved by hadrosauroids Jeyawati shoudl be pornounced 'HEY-a-WAHT-ee'. The gender is masculine.

Species: rugoculus McDONALD, WOLF & KIRKLAND, 2010
Etymology: Latin, ruga, "wrinkle," and Latin, oculus, "eye"; in reference to the rough texture of the lateal surface of the postorbital.
= Genus: Nova McDONALD, WOLFE & KIRKLAND, 2006

Holotype: MSM P4166

Locality: Locality MSM 98-61, Two Rocks Balanced, south side of Zuni Basin near the Arizona-New Mexico border, Catron County, New Mexico.

Horizon: Lower member, Moreno Hill Formation.

Biostratigraphy: Probably correlative to Collignoniceras woollgari ammonite zone.

Age: Middle Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Middle Cretaceous.

Material: Disarticulate partial skull and fragmenary postcranium of a single individual.