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

34 entries under oligocene topic. ×

5
Aceratheriinae(noun, creature, appearance)
5
Afossochiton(noun, creature, appearance)
5
Ailuridae(noun, creature, appearance)
5
Amphechinus(noun, creature, appearance)
5
Andrias scheuchzeri(expression, creature, appearance)
5
Borophaginae(noun, creature, appearance)
4
Chattian first appearance(expression, appearance, period)
4
Chubutherium(noun, creature, appearance)
4
Dromornithidae(noun, creature, appearance)
4
Ekgmowechashala(noun, creature, appearance)
4
Extant Oligocene first appearance(expression, appearance, period)
4
Hanleya(noun, creature, appearance)
4
Kentriodontidae(noun, creature, appearance)
4
Mammacyon(noun, creature, appearance)
4
Merycochoerus(noun, creature, appearance)
4
Miotylopus(noun, creature, appearance)
4
Neocynodesmus(noun, creature, appearance)
4
Octodontotherium(noun, creature, appearance)
4
Orophodontidae(noun, creature, appearance)
4
Pampatheriidae(noun, creature, appearance)
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APASmart Define. (1970). paleogene first appearance thesaurus. Retrieved September 30, 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 30, 2026).
HarvardSmart Define 1970, paleogene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "paleogene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>