Helodus compressus
Newberry & Worthen, 1866
Classification: Holocephali Helodontiformes Helodontidae
Reference of the original description
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
Types
Helodus compressus
Helodus compressus
Description:
Citation: Helodus compressus Newberry & Worthen, 1866: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024
Remarks
shark-references Species-ID=13592;
shark-references Species-ID=13592;
References
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134