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Definition of Ammonitoidea
1. n. pl. An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.
Medical Definition of Ammonitoidea
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Lexicographical Neighbors of Ammonitoidea
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1. n. pl. An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.
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