Hannibal, J.T. & Keiper, J.B. & Lemay, S. & Mckenzie, S. (2003)
Knob Noster; a new Upper Carboniferous (Pennsylvanian) lagerstätte in Missouri containing millipeds (Diplopoda), insects, crustaceans, vertebrates, plants and other terrestrial and brackish water organisms. Abstracts with Programs – Geological Society of America, 35(2): 60