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

146 entries under extinction topic. ×

2
Florissantia(noun, geohistory, oligocene)
2
Formiciinae(noun, geohistory, eocene)
2
Glyptodontopelta(noun, geohistory, fauna)
2
Gobiomyidae(noun, geohistory, eocene)
2
Groeberiidae(noun, geohistory, oligocene)
2
Hallirhoidae(noun, geohistory, eocene)
2
Hapalodectidae(noun, geohistory, eocene)
2
Haplohippus(noun, geohistory, eocene)
2
Henricosborniidae(noun, geohistory, eocene)
2
Hercoglossidae(noun, geohistory, oligocene)
2
Hoanghoniinae(noun, geohistory, eocene)
2
Holosteus(noun, geohistory, oligocene)
2
Horusornithidae(noun, geohistory, eocene)
2
Hyaenodontidae(noun, geohistory, eocene)
2
Hyopsodontidae(noun, geohistory, eocene)
2
Hyporhina(noun, geohistory, oligocene)
2
Kogaionidae(noun, geohistory, paleocene)
2
Lambdopsalidae(noun, geohistory, eocene)
2
Leptauchenia(noun, geohistory, oligocene)
2
Leptictida(noun, geohistory, oligocene)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related
ChicagoSmart Define. 1970. "cretaceous-paleogene boundary thesaurus" https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>