Kingdom Animalia Class Cephalopoda Order Ceratitida Rank Genus | Phylum Mollusca Subclass Ammonoidea Family Ptychitidae | |
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Arctoptychites is a genus of extinct cephalopods belonging to the ceratitid family Ptychitidae, and related to such genera as Ptychites and Aristoptychites; all from the Triassic.
The Ptychitidae, to which Arctoptychites belongs, is a family of ceratitid ammonites (sensu lato) with ammonitic sutures and variably subglobular to compressed, ribbed or smooth, generally evolute shells.
References
Arctoptychites Wikipedia(Text) CC BY-SA