Paleontology, paleobotany and facies characteristics of a Pennsylvanian delta in southeastern Nebraska. Unpubl. Ph.D. thesis, Univ. Texas, Austin, Texas: 393 pp.
A new species of Xenacanthodii (Chondrichthyes, Elasmobranchii) from the Late Pennsylvanian of Nebraska. In Mengel, R. M.(ed.), Papers in Vertebrate Paleontology Honoring Robert Warren Wilson. Special Publication of Carnegie Museum of Natural History, 9, p. 178–186. Pittsburgh.
Ichthyoliths and Late Devonian events in Poland and Germany. Ichthyolith Issues, Special Publication, 1, 23–30
Relationships of Phoebodus. Modern Geology, 20, 263–274
Early Carboniferous xenacanthids (Chondrichthyes) from Eastern Europe. Bulletin de la Société géologique de France, 167(5), 651–656
Fish Assemblages in the Tournaisian-Viséan environments of the East European Platform. In Strogen, P., Somerville, I. D. and Jones, G. L. (Eds.), Recent Advances in Lower Carboniferous Geology. Geol. Soc. Spec. Publ., 107, p. 387–415.
Xenacanth teeth - a key for taxonomy and biostratigraphy. Modern Geology, 20, 321–340
A Late Viséan vertebrate assemblage from Belgium [Abstract]. Ichthyolith Issues, Special Publication, 8, 7–8
An unusual tricuspid chondrichthyan tooth from the Lower Permian of Texas, USA. Revista Brasileira de Paleontologia, 8(2), 159–164
Early Pennsylvanian xenacanth chondrichthyans from the Swisshelm Mountains, Arizona, U.S.A. Acta Palaeontologica Polonica, 54(4), 649–668
DOI: 10.4202/app.2008.0051
Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
Early Carboniferous chondrichthyans from the Mobarak Formation, Central Alborz Mountains, Iran. Acta Geologica Polonica, 61(1), 27–165
A carboniferous chondrichthyan assemblage from residues within a Triassic karst system at Cromhall quarry, Gloucestershire, England. Palaeontology, 55(6), 1245–1263
DOI: 10.1111/j.1475-4983.2012.01193.x
Chondrichthyans in the carboniferous of the british derbyshire peak district [Abstract]. Journal of Vertebrate Paleontology, 32(Suppl. 1), 161
DOI: 10.1080/02724634.2012.10635175
Late Viséan pelagic chondrichthyans from northern Europe. Acta Palaeontologica Polonica, 60(4), 899–922
DOI: 10.4202/app.00084.2014
New chondrichthyans from the Late Carboniferous of European Russia [Abstract]. Ichthyolith Issues, Special Publication, 13, 45–46
The shark-beds of the Eyam Limestone Formation (Lower Carboniferous, Viséan) of Steeplehouse Quarry, Wirksworth, Derbyshire, UK. Proceedings of the Geologists' Association, 128(3), 374–400
DOI: 10.1016/j.pgeola.2017.04.004
Carboniferous chondrichthyan assemblages from the Surprise Canyon and Watahomigi formations (latest Mississippian–Early Pennsylvanian) of the western Grand Canyon, Northern Arizona. Journal of Paleontology, 92(Supplement S77), 1–33
DOI: 10.1017/jpa.2018.72
Late Pennsylvanian fish assemblage from the Robledo Mountains and new records of Paleozoic chondrichthyans in New Mexico, USA. Bulletin of Geosciences, 94(2), 235–255
DOI: 10.3140/bull.geosci.1741
First occurrence of fossil vertebrates from the Carboniferous of Colombia. Journal of Vertebrate Paleontology, 40(1), Article e1764967
DOI: 10.1080/02724634.2020.1764967
Middle Palaeozoic chondrichthyans and the associated ichthyofauna from southern Poland: a review. Annales Societatis Geologorum Poloniae, 91(3), 253–286
DOI: 10.14241/asgp.2021.13
Sharks in the dark: Paleontological resource inventory reveals multiple successive Mississippian Subperiod cartilaginous fish (Chondrichthyes) assemblages within Mammoth Cave National Park, Kentucky. Parks Stewardship Forum, 40(1), 53–67
DOI: 10.5070/P540162921
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
