Synonyms|0Antonyms|0|Broader|1Narrower|34Related|436
1
Adilophontes(noun, creature, geohistory, rupelian)
1
Aeluroidea(noun, creature, eocene, geogistory)
1
Afrotarsius(noun, creature, geohistory, eocene)
1
Alagomyidae(noun, creature, geohistory, paleocene)
1
Albatross(noun, creature, eocene, geogistory)
1
Alligator(noun, creature, eocene, geogistory)
1
Ambulocetidae(noun, creature, geohistory, eocene)
1
Ameiurus(noun, creature, eocene, geogistory)
1
Amynodontidae(noun, creature, geohistory, eocene)
1
Anaptomorphinae(noun, creature, geohistory, paleocene)
1
Anchitheriinae(noun, creature, geohistory, eocene)
1
Ancylopoda(noun, creature, geohistory, eocene)
1
Anoplotheriidae(noun, creature, geohistory, eocene)
1
Anthracotheriidae(noun, creature, geohistory, eocene)
1
Anthracotherium(noun, creature, geohistory, eocene)
1
Aplodontiidae(noun, creature, eocene, geogistory)
1
Archaeohippus(noun, creature, geohistory, chattian)
1
Archaeohyracidae(noun, creature, geohistory, paleocene)
1
Archaeohyrax(noun, creature, geohistory, eocene)
1
Archaeopithecidae(noun, creature, geohistory, eocene)
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APASmart Define. (1970). oligocene first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/oligocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "oligocene first appearance thesaurus" https://smartdefine.org/oligocene_first_appearance/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, oligocene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/oligocene_first_appearance/thesaurus/related>.
MLASmart Define. "oligocene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/oligocene_first_appearance/thesaurus/related>