- Source: Ancyrognathus
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).
References
External links
"Ancyrognathus". The Encyclopedia of Life.
"Ancyrognathus". Paleobiology Database. Retrieved 3 July 2016.