Phylum Chordata | Class †conodonta | |
Similar Polygnathus, Manticoceras, Conodont, Cyrtospirifer, Tornoceras | ||
Ancyrodella is an extinct genus of conodonts from the Late Devonian.
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
Ancyrodella Wikipedia(Text) CC BY-SA