Psephodus regularis

(St. John & Worthen, 1883)

Classification: Holocephali

Reference of the original description

St. John, O.H. & Worthen, A.H. (1883)
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264

Synonyms / new combinations and misspellings
Taeniodus regularis

Types
Psephodus regularis

Description:

Citation: Psephodus regularis (St. John & Worthen, 1883): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Remarks
shark-references Species-ID=13028;

References

Schnetz, L. & Dunne, E.M. & Feichtinger, I. & Butler, R.J. & Coates, M.I. & Sansom, I.J. (2024)
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1

Itano, W.M. (2022)
The Palaeozoic genus Psephodus (Chondrichthyes, Cochliodontiformes) and the transition from teeth to tooth plates in holocephalians. Scottish Journal of Geology, 58(2), Article sjg2021–016
DOI: 10.1144/sjg2021-016

Branson, E.B. (1906)
Fish remains from the Salem Limestone of Indiana. In Cumings E. R., Branson E. B., Beede, J. W. and Smith, E. A. (Eds.), The fauna of the Salem Limestone of Indiana. Rep. Indiana Dept. Geol. Natur. Resources, 30: 1376–1394

Hay, O.P. (1902)
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868

St. John, O.H. & Worthen, A.H. (1883)
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264