First Report of Elasmobranchii and Osteichthyans from the Fox Hills Formation (Late Cretaceous), Poison Springs Locality, Northeastern Colorado. Transactions of the Kansas Academy of Science, 125(3-4), 195–232
DOI: 10.1660/062.125.0310
Chondrichthyan and Osteichthyan Paleofaunas from the Cretaceous (Late Maastrichtian) Fox Hills Formation of North Dakota, USA: Paleoecology, Paleogeography, and Extinction. Bulletins of American Paleontology, 398, 1–94
Ischyodus rayhaasi (Chimaeroidei; Callorhynchidae) from the Campanian-Maastrichtian Fox Hills Formation of Northeastern Colorado, USA. Transactions of the Kansas Academy of Science, 118(1–2), 27–40
DOI: 10.1660/062.118.0104
A new species of Ischyodus (Chondrichthyes: Holocephali: Callorhynchidae) from Upper Maastrichtian shallow marine facies of the Fox Hills and Hell Creek formations, Williston Basin, North Dakota, USA. Palaeontology, 48(4), 709–721
DOI: 10.1111/j.1475-4983.2005.00475.x
Marine Breien Member (Maastrichtian) of the Hell Creek Formation in North Dakota: Stratigraphy, vertebrate fossil record, and age. Geological Society of America, Special Paper, 361, 247–269
DOI: 10.1130/0-8137-2361-2.247
Additional evidence for the extinction of cartilaginous fish at the end of the Cretaceous from the marine Breien Member (Maastrichtian) of the Hell Creek Formation, North Dakota [Abstract]. Journal of Vertebrate Paleontology, 20(Supplement to Number 3), 49A
Cartilaginous fishes from the Fox Hills Formation (Cretaceous: Maastrichtian), North Dakota. Proceedings of North Dakota Academy of Science, 49: 60
Vertebrates of the Cannonball Formation (Paleocene) in North and South Dakota. Journal of Vertebrate Paleontology, 13(1), 1–23
DOI: 10.1080/02724634.1993.10011484
