BYU 12950 [holotype]: partial skull

("Anasazi lizard" Named after the Anasazi, an ancient people of the American southwest) For a hook-nosed skull attributed to the species Kritosaurus navajovius by Jack Horner in 1992. Hunt and Lucas considered Kritosaurus a nomen dubium, based on undiagnostic type material, and proposed the new name for a taxon distinguished by "possessing a short, posteriorly folded nasal crest that is above the level of the frontals, but does not extend posterior to the anterior end of the frontals." Anasazisaurus and Naashoibitosaurus representing possible variants of K. navajovius.