Synonyms|1Antonyms|0|Broader|3Narrower|25Related|147
3
Shiva crater(expression, geology, geohistory, crater)
3
Silverpit crater(expression, geology, geohistory, crater)
3
Timeline of Cretaceous-Paleogene extinction event research(expression, geology, geohistory, event, research)
3
Trigonia(noun, geohistory, fauna, extinction)
3
Yaminuechelys(noun, geohistory, fauna, extinction)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower
ChicagoSmart Define. 1970. "cretaceous-paleogene boundary thesaurus" https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>