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13 entries under geochronology topic. ×

14
Paleogene genus extinction(expression, extinction, period, paleogene)
7
eocene extinction(expression, extinction, period)
6
cretaceous-paleogene boundary(expression, extinction, period)
6
oligocene extinction(expression, extinction, period)
4
Oligocene genus extinction(expression, extinction, period)
3
Chattian extinction(expression, extinction, period)
3
Eocene genus extinction(expression, extinction, period)
3
Rupelian extinction(expression, extinction, period)
2
Bartonian extinction(expression, extinction, period)
2
Lutetian extinction(expression, extinction, period)
2
Paleocene genus extinction(expression, extinction, period)
2
Priabonian extinction(expression, extinction, period)
2
Ypresian extinction(expression, extinction, period)
For more, visit Paleocene_extinction on Power Thesaurus
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APASmart Define. (1970). paleocene extinction thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/paleocene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "paleocene extinction thesaurus" https://smartdefine.org/paleocene_extinction/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, paleocene extinction thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/paleocene_extinction/thesaurus/related>.
MLASmart Define. "paleocene extinction thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/paleocene_extinction/thesaurus/related>