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
- ^ Conodonts from Glassy Creek Shale of Missouri. EB Branson and MG Mehl, Univ. Missouri Studies, 1934
External links
- "Ancyrognathus" at the Encyclopedia of Life
- "Ancyrognathus". Fossilworks. Gateway to the Paleobiology Database. Retrieved 3 July 2016.
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