Diplognathodus

Diplognathodus is an extinct genus of conodonts in the family Anchignathodontidae.^[2][3] Specimens are found in Carboniferous^[4] and Permian formations.

Diplognathodus Temporal range: Carboniferous–Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Infraphylum:	Agnatha
Class:	†Conodonta
Order:	†Ozarkodinida
Family:	†Anchignathodontidae
Genus:	†Diplognathodus Kozur & Merrill in Kozur (1975)[1]
Species
†Diplognathodus coloradoensis †Diplognathodus edentulus †Diplognathodus ellesmerensis †Diplognathodus orphanus

The genus Sweetognathus originated in the earliest Permian as S. expansus from Diplognathodus edentulus.^[5]

Diplognathodus ellesmerensis has been proposed as a marker of the Moscovian, in the Pennsylvanian age of the Carboniferous.