Ctenacanthus gracillimus

Newberry & Worthen, 1866


Classification: Elasmobranchii Ctenacanthiformes incert. fam.

Reference of the original description
Newberry, J.S. & Worthen, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134

Types
Ctenacanthus gracillimus



Description:


Citation: Ctenacanthus gracillimus Newberry & Worthen, 1866: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025

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Remarks
shark-references Species-ID=7802;

References
Eastman, C.R. (1917)
Fossil fishes in the collection of the United States National Museum. Proceedings of the United States National Museum, 52, 235–304
Eastman, C.R. (1902)
Some Carboniferous cestraciont and acanthodian sharks. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(3), 55–99
St.John, O.H. & Worthen, A.H. (1883)
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
Newberry, J.S. & Worthen, A.H. (1866)
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134