Synonyms|0Antonyms|0|Broader|1Narrower|35Related|141

59 entries under oligocene topic. ×

5
Chattian first appearance(expression, geohistory, appearance, period)
5
Extant Chattian first appearance(expression, geohistory, geogistory, period)
5
paleogene first appearance(expression, appearance, period)
5
Extant Oligocene first appearance(expression, geohistory, appearance, period)
5
eocene first appearance(expression, geohistory, period)
5
extant paleogene first appearance(expression, geohistory, period)
2
Acanthochitona(noun, creature, geogistory)
2
Aeluroidea(noun, creature, geogistory)
2
Albatross(noun, creature, geogistory)
2
Alligator(noun, creature, geogistory)
2
Ameiurus(noun, creature, geogistory)
2
Aplodontiidae(noun, creature, geogistory)
2
Buccella(noun, creature, geogistory)
2
Buteo(noun, creature, geogistory)
2
Callochiton(noun, creature, geogistory)
2
Certhioidea(noun, creature, geogistory)
2
Chaetopleura(noun, creature, geogistory)
2
Chamaesipho(noun, creature, geogistory)
2
Colpophyllia(noun, creature, geogistory)
2
Colubridae(noun, creature, geogistory)
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APASmart Define. (1970). rupelian first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/rupelian_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "rupelian first appearance thesaurus" https://smartdefine.org/rupelian_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, rupelian first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/rupelian_first_appearance/thesaurus/related>.
MLASmart Define. "rupelian first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/rupelian_first_appearance/thesaurus/related>