Ctenoptychius pertenuis
St. John & Worthen, 1875
Classification: Euchondrocephali Petalodontiformes Petalorhynchidae
Reference of the original description
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Types
Ctenoptychius pertenuis
Ctenoptychius pertenuis
Description:
Citation: Ctenoptychius pertenuis St. John & Worthen, 1875: 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=12885;
shark-references Species-ID=12885;
References
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
