References

Schultze, H.-P. & J. D. Chorn, 1989. The Upper Pennsylvanian vertebrate fauna of Hamilton, Kansas. In: G. Mapes & R. Mapes (eds.), Regional geology and paleontology of upper Paleozoic Hamilton Quarry area in southeastern Kansas. Kansas geol. Surv. Guidebook Ser., 6: 147-154 [for 1988].