Synonyms|0Antonyms|0|Broader|2Narrower|10Related|160
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Cretaceous-Paleogene boundary(expression, geology, geohistory, boundary)
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Eocene extinction(expression, geohistory, extinction, geochronology)
2
Glyphocyphidae(expression, name, geohistory, extinction)
2
Glyptosaurinae(expression, name, geohistory, extinction)
2
Hoploparia(expression, name, geohistory, extinction)
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Oligocene extinction(expression, geohistory, extinction, geochronology)
2
Paleocene extinction(expression, geohistory, extinction, geochronology)
2
Paleogene genus extinction(expression, geohistory, extinction, geochronology)
2
Paleogene species extinction(expression, geohistory, extinction, geochronology)
2
Synechodontiformes(expression, name, geohistory, extinction)
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APASmart Define. (1970). paleogene extinction thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/paleogene_extinction/thesaurus/narrower
ChicagoSmart Define. 1970. "paleogene extinction thesaurus" https://smartdefine.org/paleogene_extinction/thesaurus/narrower (accessed September 23, 2026).
HarvardSmart Define 1970, paleogene extinction thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/paleogene_extinction/thesaurus/narrower>.
MLASmart Define. "paleogene extinction thesaurus" 1 January 1970. Web. 23 September 2026. <https://smartdefine.org/paleogene_extinction/thesaurus/narrower>