Kingdom Animalia Class Chondrichthyes Order Polysentoriformes Rank Genus | Phylum Chordata Subclass Holocephali Family Polysentoridae | |
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Polysentor gorbairdi is an extinct holocephalid that lived during the Pennsylvanian. It is a member of the Mazon Creek fauna of Illinois.
References
Polysentor Wikipedia(Text) CC BY-SA