A new ankylosaurid dinosaur from the Upper Cretaceous (Kirtlandian) of New Mexico with implications for ankylosaurid diversity in the Upper Cretaceous of western North America.
A Steps new ankylosaurid (Ankylosauria: Dinosauria), Ziapelta sanjuanensis, gen.et sp.nov., is based on a complete skull, an incomplete first cervical half ring, a possible fragment of the second cervical half ring, and additional fragmentary osteoderms.The holotype specimen is from the Upper Cretaceous (Upper Campanian, Kirtlandian Land-Vertebrate