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ammonitoidea

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See <u>Ammonite</u>.

noun

Source: webster1913

Nearby words

ammonic ammonification ammonify ammonite ammonitic ammonitiferous ammonium ammonium alum ammonium carbamate ammonium carbonate ammonium chloride ammonium hydroxide

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