Ancyrognathus

Ancyrognathus; Temporal range: Late Devonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Genus:	†Ancyrognathus; Branson and Mehl, 1934
Species
	†Ancyrognathus primus; †Ancymgnathus symmetries (type); †Ancyrognathus triangularis;

Ancyrognathus is an extinct genus of conodonts.

During the Famennian stage of the Late Devonian, a biologic event occurred (Upper Kellwasser Extinction of all Ancyrodella and Ozarkodina and most Palmatolepis, Polygnathus and Ancyrognathus).

^ Conodonts from Glassy Creek Shale of Missouri. EB Branson and MG Mehl, Univ. Missouri Studies, 1934