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162 entries under extinction topic. ×

2
Yantaromyrmex(noun, fauna, chattian)
2
Zamites(noun, fauna, eocene)
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APASmart Define. (1970). oligocene extinction thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/oligocene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "oligocene extinction thesaurus" https://smartdefine.org/oligocene_extinction/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, oligocene extinction thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/oligocene_extinction/thesaurus/related>.
MLASmart Define. "oligocene extinction thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/oligocene_extinction/thesaurus/related>