Synonyms|0Antonyms|0|Broader|1Narrower|31Related|176
2
Mesohippus(noun, fauna, extinction, rupelian)
2
Mesonychid(noun, fauna, extinction, rupelian)
2
Mesonychidae(noun, fauna, extinction, rupelian)
2
Mesonyx(noun, fauna, eocene, extinction)
2
Metarhinus(noun, fauna, eocene, extinction)
2
Metopaster(noun, fauna, eocene, extinction)
2
Microcosmodontidae(noun, fauna, extinction, paleocene)
2
Mixodectidae(noun, fauna, extinction, paleocene)
2
Mongolestes(noun, fauna, extinction, rupelian)
2
Neoplagiaulacidae(noun, fauna, extinction, rupelian)
2
Nimravus(noun, fauna, extinction, chattian)
2
Notohippidae(noun, fauna, extinction, chattian)
2
Notostylopidae(noun, fauna, extinction, rupelian)
2
Ojo Alamo Formation(expression, geohistory, formation, paleogene)
2
Oligocene genus extinction(expression, extinction, period, geochronology)
2
Oligopithecidae(noun, fauna, extinction, rupelian)
2
Orohippus(noun, fauna, eocene, extinction)
2
Otarocyon(noun, fauna, extinction, chattian)
2
Oxyaena(noun, fauna, eocene, extinction)
2
Pachyaena(noun, fauna, eocene, extinction)
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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>