Aristoptychites
Genus of molluscs (fossil) / From Wikipedia, the free encyclopedia
Aristoptychites is an extinct genus of cephalopod from the Anisian stage of the Middle Triassic belonging to the ammonoid subclass.
Quick Facts Aristoptychites Temporal range: Anisian, Scientific classification ...
Aristoptychites Temporal range: Anisian | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ceratitida |
Family: | †Ptychitidae |
Genus: | †Aristoptychites Diener, 1916 |
Close
Shell involute, whorls strongly embraced, venter acutely rounded. Suture curved, subammonitic; more closely resembles that of Flexoptychites or Discoptychites than of other ptychitids.