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Selachians from the Niobrara Formation of the Upper Cretaceous (Coniacian) of Carrot River, Saskatchewan, Canada. Canadian Journal of Earth Sciences, 27, 1084–1094
DOI: 10.1139/e90-112
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An Overview of the Upper Carboniferous Fossil Deposit at Linton, Ohio. Ohio Journal of Science, 88(1), 55–60
Hook, R.W. & Baird, D. (1986)
The Diamond Coal Mine of Linton, Ohio, and its Pennsylvanian-age vertebrates. Journal of Vertebrate Paleontology, 6(2), 174–190
DOI: 10.1080/02724634.1986.10011609
Baird, D. (1978)
Studies on Carboniferous freshwater fishes. American Museum Novitates, 2641, 1–22
Baird, D. (1957)
A Physonemus Spine from the Pennsylvanian of West Virginia. Journal of Paleontology, 31(5), 1010–1018