Synonyms|0Antonyms|0|Broader|2Narrower|15Related|337

120 entries under eocene topic. ×

6
Extant Eocene first appearance(expression, period, appearence)
6
Lutetian first appearance(expression, period, appearence)
6
Bartonian first appearance(expression, period, appearence)
6
Priabonian first appearance(expression, period, appearence)
6
Ypresian first appearance(expression, period, appearence)
5
Acer dettermani(expression, creature, appearance)
5
Acer ivanofense(expression, creature, appearance)
5
Adapidae(noun, creature, appearance)
5
Adapiformes(noun, creature, appearance)
5
Adapinae(noun, creature, appearance)
5
Afrotarsius(noun, creature, appearance)
5
Ambulocetidae(noun, creature, appearance)
5
Amynodontidae(noun, creature, appearance)
5
Anchitheriinae(noun, creature, appearance)
5
Ancylopoda(noun, creature, appearance)
5
Anoplotheriidae(noun, creature, appearance)
5
Anthracotheriidae(noun, creature, appearance)
5
Anthracotherium(noun, creature, appearance)
5
Archaeohyrax(noun, creature, appearance)
5
Archaeopithecidae(noun, creature, appearance)
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APASmart Define. (1970). paleogene first appearance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "paleogene first appearance thesaurus" https://smartdefine.org/paleogene_first_appearance/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, paleogene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "paleogene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>