Physonemus anceps
(Newberry & Worthen, 1866)
Classification: Holocephali Symmoriiformes Symmoriidae
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
Synonyms / new combinations and misspellings
Drepanacanthus anceps
Drepanacanthus anceps
Types
Physonemus anceps
Physonemus anceps
Description:
Citation: Physonemus anceps (Newberry & Worthen, 1866): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024
Remarks
shark-references Species-ID=9489;
shark-references Species-ID=9489;
References
A Physonemus Spine from the Lower Mercer Limestone (Pennsylvanian) of Portage County, Ohio. Ohio Journal of Science, 71(4), 240–243
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
A Physonemus Spine from the Lower Mercer Limestone (Pennsylvanian) of Portage County, Ohio. Ohio Journal of Science, 71(4), 240–243
Descriptions of new species of vertebrates, mainly from the Sub-Carboniferous Limestome and Coal Measures of Illinois. Geological Survey of Illinois, 2, 9–134
