Ctenacanthus semicostatus

St. John & Worthen, 1875


Classification: Elasmobranchii Ctenacanthiformes incert. fam.

Reference of the original description
St. John, O.H. & Worthen, A.H. (1875)
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488

Synonyms / new combinations and misspellings
Anaclitacanthus semicostatus

Types
Ctenacanthus semicostatus



Description:


Citation: Ctenacanthus semicostatus St. John & Worthen, 1875: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 01/2025

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Remarks
shark-references Species-ID=7804;

References
Eastman, C.R. (1902)
Some Carboniferous cestraciont and acanthodian sharks. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(3), 55–99