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13 entries under period topic. ×

10
Oligocene extinction(expression, extinction, geochronology)
10
cretaceous-paleogene boundary(expression, geohistory, extinction, boundary)
7
Paleocene extinction(expression, extinction, geochronology)
5
Paleogene genus extinction(expression, extinction, paleogene)
4
Paleogene species extinction(expression, extinction, paleogene)
3
Oligocene genus extinction(expression, extinction, geochronology)
3
Paleocene genus extinction(expression, extinction, geochronology)
2
Chattian extinction(expression, extinction, geochronology)
2
Eocene genus extinction(expression, extinction, geochronology)
2
Paleocene species extinction(expression, extinction, geochronology)
2
Rupelian extinction(expression, extinction, geochronology)
2
Selandian extinction(expression, extinction, geochronology)
2
Thanetian extinction(expression, extinction, geochronology)
For more, visit Eocene_extinction on Power Thesaurus
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APASmart Define. (1970). eocene extinction thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/eocene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "eocene extinction thesaurus" https://smartdefine.org/eocene_extinction/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, eocene extinction thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/eocene_extinction/thesaurus/related>.
MLASmart Define. "eocene extinction thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/eocene_extinction/thesaurus/related>