Physonemus baculiformis

St. John & Worthen, 1875

Classification: Holocephali Symmoriiformes Symmoriidae

Types
Physonemus baculiformis

Description:

Citation: Physonemus baculiformis St. John & Worthen, 1875: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Remarks
shark-references Species-ID=14233;

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, in press
DOI: 10.1017/pab.2024.1

Maisey, J.G. (1983)
Some Pennsylvanian chondrichthyian spines from Nebraska. Transactions of the Nebraska Academy of Sciences, 11, 81–84