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New specimens of xenacanth and hybodont sharks (Elasmobranchii: Xenacanthida and Hybodontoidea) from the Lower Permian of southwestern Oklahoma. Oklahoma Geology Notes, 63(4), 136–147
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Edestus (Chondrichthyes, Elasmobranchii) from the Upper Carboniferous of Xinjiang, China. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte, 1996(11), 701–707
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Chondrichthyes. In The Fossil Record 2, BENTON, M.J. edit.: 593–609.
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Xenacanthid genera: How many and how to tell them apart? Pollichia–Buch, 29, New Research on Permo–Carboniferous Faunas, Heidtke, U.H.J. (eds): 23–35
Zidek, J. (1993)
A large stethacanthid shark (Elasmobranchii: Symmoriida) from the Mississippian of Oklahoma. Oklahoma Geology Notes, 53, 4–15
Zidek, J. (1993)
Juvenile Orthacanthus platypternus (Cope 1883) (Elasmobranchii: Xenacanthiformes) from the Upper Carboniferous near Hamilton, Kansas, U.S.A. Pollichia–Buch, 29, New Research on Permo–Carboniferous Faunas, Heidtke, U.H.J(eds): 53–65
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Late Pennsylvanian Chondrichthyes, Acanthodii, and deep−bodied Actinopterygii from the Kinney Quarry, Manzanita Mountains, New Mexico. New Mexico Bureau of Mines and Mineral Resources, Bulletin, 138, 145–182
Zidek, J. (1989)
Hamilton quarry (Kansas, Late Pennsylvanian) chondrichthyes. In MAPES, G., & MAPES, R. H. [eds.]: Regional geology and paleontology of upper Paleozoic Hamilton quarry area in southeastern Kansas: 167–172, 4 Abb.; Lawrence/Kan.(Kansas geol. Surv. Guideb. Ser., )
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Catalog of Late Pennsylvanian ichthyoliths, Part II. Journal of Vertebrate Paleontology, 2(4), 414–438
DOI: 10.1080/02724634.1983.10011944
Zidek, J. (1978)
New Chondrichthyan Spines from the Late Paleozoic of Oklahoma. Journal of Paleontology, 52(5), 1070–1078
Zidek, J. (1976)
A New Shark Egg Capsule from the Pennsylvanian of Oklahoma, and Remarks on the Chondrichthyan Egg Capsules in General. Journal of Paleontology, 50(5), 907–915
Zidek, J. (1976)
Oklahoma paleoichthyology part V: Chondrichthyes. Oklahoma Geology Notes, 36(5), 175–192
Zidek, J. (1969)
Upper Carboniferous hybodontoid remains and problematic ichthyodorulites of Bohemia, part 1: Hybodus vestitus. Casopis Narodniho Muzea, oddil prirodovedny, 137: 70–76