Arctoptychites
Appearance
Arctoptychites Temporal range: Triassic
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Genus: | Arctoptychites Archipov et al. 1974
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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.[1]
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.[2]
References
- ^ Arctoptychites Paleodb
- ^ Treatise on Invertebrate Paleontology, Part L (1957),Mesozoic Ammonoidea p.L180.