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3 entries under extinction topic. ×

2
Eocene genus extinction(expression, period, genus)
2
Oligocene genus extinction(expression, period, genus)
2
Paleocene genus extinction(expression, period, genus)
For more, visit Paleogene_genus_extinction on Power Thesaurus
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APASmart Define. (1970). paleogene genus extinction thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/paleogene_genus_extinction/thesaurus/narrower
ChicagoSmart Define. 1970. "paleogene genus extinction thesaurus" https://smartdefine.org/paleogene_genus_extinction/thesaurus/narrower (accessed September 29, 2026).
HarvardSmart Define 1970, paleogene genus extinction thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/paleogene_genus_extinction/thesaurus/narrower>.
MLASmart Define. "paleogene genus extinction thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/paleogene_genus_extinction/thesaurus/narrower>