Synonyms|0Antonyms|0|Broader|1Narrower|31Related|176
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Afrotarsius(noun, animal, geohistory, extinction)
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Archaeohyrax(noun, animal, geohistory, extinction)
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Bennettitales(noun, animal, geohistory, extinction)
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Caedocyon(noun, animal, geohistory, extinction)
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Calamophylliopsis(noun, animal, geohistory, extinction)
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Chattian extinction(expression, extinction, period, genus)
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Cormocyon(noun, animal, geohistory, extinction)
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Cymatoceras(noun, animal, geohistory, extinction)
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Cymatoceratidae(noun, animal, geohistory, extinction)
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Eosimiidae(noun, animal, geohistory, extinction)
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Florissantia(noun, animal, geohistory, extinction)
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Groeberiidae(noun, animal, geohistory, extinction)
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Hercoglossidae(noun, animal, geohistory, extinction)
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Holosteus(noun, animal, geohistory, extinction)
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Hyporhina(noun, animal, geohistory, extinction)
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Leptauchenia(noun, animal, geohistory, extinction)
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Leptictida(noun, animal, geohistory, extinction)
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Miohippus(noun, animal, geohistory, extinction)
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Multituberculata(noun, animal, geohistory, extinction)
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Oligocene genus extinction(expression, extinction, period, genus)
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For more, visit Oligocene_extinction on Power Thesaurus
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APASmart Define. (1970). oligocene extinction thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/oligocene_extinction/thesaurus/narrower
ChicagoSmart Define. 1970. "oligocene extinction thesaurus" https://smartdefine.org/oligocene_extinction/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 1970, oligocene extinction thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/oligocene_extinction/thesaurus/narrower>.
MLASmart Define. "oligocene extinction thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/oligocene_extinction/thesaurus/narrower>