Gnathodus

Gnathodus; Temporal range:
	Conodont elements from the Deer Valley Member of the Mauch Chunk Formation; detail Figures 3–9. Conodonts from the uppermost Loyalhanna Limestone Member of the Mauch Chunk Formation, Keystone quarry, Pa. This collection (93RS–79b) is from the upper 10 cm of the Loyalhanna Member. Note the highly abraded and reworked aeolian forms. 9. Gnathodus texanus?, Pa element, upper view, X140.; Figures 10–14. Conodonts from the basal 20 cm of the Loyalhanna Limestone Member of the Mauch Chunk Formation, Keystone quarry, Pa. (93RS–79a), and Westernport, Md. (93RS–67). Note the highly abraded and reworked aeolian forms. 12. Gnathodus sp., Pa element, upper view, reworked Late Devonian(?) through Mississippian morphotype, 93RS–67, X140.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Order:	†Ozarkodinida
Family:	†Idiognathodontidae
Genus:	†Gnathodus; Pander, 1856
Species
	†Gnathodus bilineatus; †Gnathodus bollandensis; †Gnathodus postbilineatus; †Gnathodus pseudosemiglaber; †Gnathodus semiglaber; †Gnathodus texanus; †Gnathodus typicus;

Gnathodus is an extinct conodont genus in the family Idiognathodontidae.

^ Monographie der fossilen fische des silurischen systems des Russisch-baltischen gouvernements. CH Pander, 1856