''Protognathodus'' is an extinct

conodont Conodonts ( Greek ''kōnos'', " cone", + ''odont'', " tooth") are an extinct group of agnathan (jawless) vertebrates resembling eels, classified in the class Conodonta. For many years, they were known only from their tooth-like oral elements, w ...

genus in the family

Idiognathodontidae Idiognathodontidae is an extinct conodont family.New Pennsylvanian conodonts from Oklahoma. RW Harris and RV Hollingsworth, American Journal of Science, March 1933, Series 5, Vol. 25, no. 147, pages 193-204, Genera are ''Gnathodus'', ''Idiognat ...

References

* The stratigraphical significance of the Protognathodus fauna from Stockum (Devonian/Carboniferous boundary, Rhenish Schiefergebirge). Alberti H, Groos-Uffenorde H, Streel M, Uffenorde H and Walliser OH, Newsletters on Stratigraphy, 1 Oct. 1974, Volume 3, Number 4, pages 263-276

External links

* Ozarkodinida genera Carboniferous conodonts Devonian conodonts Fossil taxa described in 1969 {{Conodont-stub