Carpenter, K., Dilkes, D. and Weishampel, D.B. 1995. The dinosaurs of the Niobrara Chalk Formation (upper Cretaceous, Kansas). Journal of Vertebrate Paleontology. 15 (2): 275–297. doi:10.1080/02724634.1995.10011230CS1 održavanje: više imena: authors list (link)
Lee Y.-N. 1996. A new nodosaurid ankylosaur (Dinosauria: Ornithischia) from the Paw Paw Formation (Late Albian) of Texas. Journal of Vertebrate Paleontology. 16 (2): str. 232. –.245. doi:10.1080/02724634.1996.10011311