Gunnell, F.M. (1933)
Conodonts and fish remains from the Cherokee, Kansas City, and Wabaunsee groups of Missouri and Kansas.
Journal of Paleontology, 7(3), 261–297
Hunt, A.P. & Lucas, S.G. & Santucci, V.L. & Elliott, D.K. (2005)
Permian vertebrates fossils of Arizona.
New Mexico Museum of Natural History and Science, Bulletin, 29, 10–15