Physonemus acinaciformis

(St. John & Worthen, 1875)


Classification: Holocephali Symmoriiformes Symmoriidae

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
Physonemus cf. acinaciformis, Physonemus striatus, Xystracanthus acinaciformis

Types
Physonemus acinaciformis



Description:


Citation: Physonemus acinaciformis (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=9491;

References
Schultze, H.-P. & Stewart, J.D. & Neuner, A.M. & Coldiron, R.W. (1982)
Type and figured specimens of fossil vertebrates in the collection of the University of Kansas Museum of Natural History. Part I. Fossil Fishes. University of Kansas, Museum of Natural History, Miscellaneous Publication, 73: 1–53
Lund, R. & Garton, E.R. & Weishampel, D.B. (1979)
Fossil vertebrates of the Pennsylvanian system of West Virginia. In 9th Int. Congr. Carboniferous Stratigr. and Geol., Field Trip No. 1, AGI Selected Guidebook Series No.1, 105–107
Murphy, J.L. (1971)
A Physonemus Spine from the Lower Mercer Limestone (Pennsylvanian) of Portage County, Ohio. Ohio Journal of Science, 71(4), 240–243
Murphy, J.L. (1971)
A Physonemus Spine from the Lower Mercer Limestone (Pennsylvanian) of Portage County, Ohio. Ohio Journal of Science, 71(4), 240–243
Baird, D. (1957)
A Physonemus Spine from the Pennsylvanian of West Virginia. Journal of Paleontology, 31(5), 1010–1018
Lane, H.H. (1944)
A survey of the fossil vertebrates of Kansas. Part I: The fishes. Transactions of the Kansas Academy of Science, 47, 129–176
St.John, O.H. & Worthen, A.H. (1875)
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488