Teeth of the cladodont shark Denaea from the Carboniferous of central North America. In D. Nowakowski(ed.) Morphology and Systematics of Fossil Vertebrates, 29–44. Wydawnictwo DN, Wrocław

Late Pennsylvanian and Early Permian chondrichthyan microremains from San Salvador Patlanoaya (Puebla, Mexico). Geobios, 38(1), 43–55
DOI: 10.1016/j.geobios.2003.06.008