KnowraAmmonoideaLinked fromLinked fromThe 4 pages that link to Ammonoidea, each with the reason it gives.All 4Related 2Narrower topic 1Compared with 1CephalopodRelated: Ammonoids illustrate the former diversity of shelled cephalopods.AmmoniteNarrower topic: Ammonites are the best-known members of this broader cephalopod lineage.NautilusCompared with: Ammonoids were diverse shelled relatives, but their lineage disappeared at the end-Cretaceous extinction.NautiloidRelated: Ammonoids were another major group of shelled cephalopods in the fossil record.