bn:00003553n
Noun Concept
Categories: Paleozoic cephalopods, Taxa named by Karl Alfred Ritter von Zittel, Devonian first appearances, Mollusc subclasses, Articles with 'species' microformats
EN
ammonite  ammonoid
EN
One of the coiled chambered fossil shells of extinct mollusks WordNet 3.0
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EN
Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary
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