Helodus rugosus

Newberry & Worthen, 1870

Classification: Holocephali Helodontiformes Helodontidae

Reference of the original description

Newberry, J.S. & Worthen, A.H. (1870)
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374

Types
Helodus rugosus

Description:

Citation: Helodus rugosus Newberry & Worthen, 1870: 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=7877;

References

Schnetz, L. & Dunne, E.M. & Feichtinger, I. & Butler, R.J. & Coates, M.I. & Sansom, I.J. (2024)
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1

Hussakof, L. & Bryant, W.L. (1918)
Catalog of the fossil fishes in the Museum of the Buffalo Society of Natural Sciences. Bulletin of the Buffalo Society of Natural Sciences, 12, 1–346

Branson, E.B. (1916)
The Lower Embar of Wyoming and Its Fauna. Journal of Geology, 24(7), 639–664

Eastman, C.R. (1903)
Carboniferous fishes from the central western States. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(7), 163–226

Hay, O.P. (1902)
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

Newberry, J.S. & Worthen, A.H. (1870)
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374