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162 entries under extinction topic. ×

11
cretaceous-paleogene boundary(expression, geohistory, period, boundary)
10
eocene extinction(expression, period, geochronology)
6
Paleocene extinction(expression, period, geochronology)
6
Paleogene genus extinction(expression, period, paleogene)
5
Cretaceous-Paleogene extinction event(expression, geohistory, event)
5
Glyphocyphidae(noun, family, urchin)
5
Glyptosaurinae(noun, lizard, subfamily)
5
Paleogene species extinction(expression, period, paleogene)
5
Synechodontiformes(noun, order, shark)
3
Madtsoia(noun, fauna, eocene, paleogene)
3
Paleocene genus extinction(expression, period, geochronology)
2
Acer dettermani(expression, fauna, rupelian)
2
Acer ivanofense(expression, fauna, rupelian)
2
Adapisoriculidae(noun, fauna, paleocene)
2
Adocus(noun, fauna, rupelian)
2
Aegyptopithecus(noun, fauna, rupelian)
2
Alamitophis(noun, fauna, paleogene)
2
Anoplotheriidae(noun, fauna, rupelian)
2
Anthidium exhumatum(expression, fauna, rupelian)
2
Anthidium scudderi(expression, fauna, rupelian)
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For more, visit Oligocene_extinction on Power Thesaurus
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APASmart Define. (1970). oligocene extinction thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/oligocene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "oligocene extinction thesaurus" https://smartdefine.org/oligocene_extinction/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, oligocene extinction thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/oligocene_extinction/thesaurus/related>.
MLASmart Define. "oligocene extinction thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/oligocene_extinction/thesaurus/related>