Synonyms|1Antonyms|0|Broader|3Narrower|25Related|147

7 entries under fauna topic. ×

3
Alamitophis(noun, geohistory, extinction)
3
Hyposaurus(noun, geohistory, extinction)
3
Madtsoia(noun, geohistory, extinction)
3
Madtsoiidae(noun, geohistory, extinction)
3
Palaeophiidae(noun, geohistory, extinction)
3
Trigonia(noun, geohistory, extinction)
3
Yaminuechelys(noun, geohistory, extinction)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved October 1, 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 October 1, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>