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Thesaurus: ammonitoidea
An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.
Related headwords
ammonitedefinitionabundantdefinitioncephalopodsdefinitionextensivedefinitionfossildefinitiongroupdefinitionrocksdefinitionseedefinitionmesozoicdefinitionammonicfamilyammonificationfamilyammonifiedfamilyammonifiesfamilyammonifyfamilyammonifyingfamilyammonitesfamilyammoniticfamilyammonitiferousfamilyammoniumfamilyammonium alumfamilyammonium carbamatefamilyammonium carbonatefamilyammonium chloridefamilyammonium hydroxidefamilyammonium ionfamilyammonium nitratefamilyammonium nitrate/fuel oilfamilyammonium saltfamily