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[1]
Species
	†Ancyrognathus primus; †Ancymgnathus symmetries (type); †Ancyrognathus triangularis;

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).

Ancyrognathus is an extinct genus of conodonts.

References

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

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