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Species: ammonite
An extinct subclass of cephalopod related to octopi, squid, and cuttlefish, even moreso than they are to the nautilus despite appearances. The earliest species appeared during the Devonian period but disappeared during the K-Pg extinction event, along with the dinosaurs.
Families and species:
More information:
The following tags are aliased to this tag: ammonoid, ammonoidea, ammonoidean (learn more).
This tag implicates cephalopod, prehistoric_species (learn more).
The following tags implicate this tag: desmoceratid (learn more).
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