Physonemus gigas
Newberry & Worthen, 1870
Classification: Holocephali Symmoriiformes Symmoriidae
Reference of the original description
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374
Types
Physonemus gigas
Physonemus gigas
Description:
Citation: Physonemus gigas Newberry & Worthen, 1870: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Remarks
shark-references Species-ID=9700;
shark-references Species-ID=9700;