Ankylosauria) from the Upper Cretaceous Kirtland Formation (Upper Campanian), SanJuanBasin, New Mexico.. Journal of Vertebrate Paleontology. 1999, 19 (1): 126–139
Sullivan. A new ankylosaurid from the Upper Cretaceous Kirtland Formation, SanJuanBasin, with comments on the diversity of ankylosaurids in New Mexico (PDF)
Ankylosauria) from the Upper Cretaceous Kirtland Formation (Upper Campanian), SanJuanBasin, New Mexico. Journal of Vertebrate Paleontology 19(1):126-139. Vickaryous