Physonemus cf. acinaciformis
(St. John & Worthen, 1875)
Classification: Holocephali Symmoriiformes Symmoriidae
Reference of the original description
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Types
Physonemus cf. acinaciformis
Physonemus cf. acinaciformis
Description:
Citation: Physonemus cf. 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=14260;
shark-references Species-ID=14260;
References
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
A Physonemus Spine from the Pennsylvanian of West Virginia. Journal of Paleontology, 31(5), 1010–1018
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
A Physonemus Spine from the Pennsylvanian of West Virginia. Journal of Paleontology, 31(5), 1010–1018
