Protognathodus

Protognathodus; Temporal range: Devonian/Carboniferous
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Order:	†Ozarkodinida
Family:	†Idiognathodontidae
Genus:	†Protognathodus; Ziegler 1969
Species
	†Protognathodus collinsoni; †Protognathodus kockeli; †Protognathodus kuehni; †Protognathodus meischneri;
Synonyms
	Protognathus (preoccupied by Protognathus Basilewsky 1950, which is considered syn. of Pseudognathaphanus Schauberger, 1932)

Protognathodus is an extinct conodont genus in the family Idiognathodontidae.