Physonemus sp.


Classification: Holocephali Symmoriiformes Symmoriidae

Types
Physonemus sp.



Description:


Citation: Physonemus sp. : In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024

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Remarks
shark-references Species-ID=4842;

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
Elliott, D.K. & Irmis, R.B. & Hansen, M.C. & Olson, T.J. (2004)
Chondrichthyans from the Pennsylvanian (Desmoinesian) Naco Formation of central Arizona. Journal of Vertebrate Paleontology, 24(2), 268–280
DOI: 10.1671/1978
Itano, W.M. & Houck, K.J. & Lockley, M.G. (2003)
Ctenacanthus and Other Chondrichthyan Spines and Denticles from the Minturn Formation (Pennsylvanian) of Colorado. Journal of Paleontology, 77(3), 524–535
DOI: 10.1666/0022-3360(2003)077<0524:CAOCSA>2.0.CO;2
Nassichuk, W.W. (1971)
Helicoprion and Physonemus, Permian vertebrates from the Assistence Formation, Canadian Arctic Archipelago. Geological Survey of Canada, Bulletin, 192, 83–93