Synonyms|0Antonyms|0|Broader|1Narrower|6Related|668

87 entries under oligocene topic. ×

3
Chattian first appearance(expression, geohistory, period)
3
Extant Chattian first appearance(expression, geogistory, period)
3
Extant Rupelian first appearance(expression, geogistory, period)
3
Nephrops(noun, creature, geohistory)
3
Notoplax(noun, creature, geohistory)
3
Old World monkey(expression, creature, geohistory)
3
Oregonia(noun, creature, geohistory)
3
Passeroidea(noun, creature, geohistory)
3
Paucituberculata(noun, creature, geohistory)
3
Phalangeriformes(noun, creature, geohistory)
3
Phiomorpha(noun, creature, geohistory)
3
Pimelodidae(noun, creature, geohistory)
3
Protoma(noun, creature, geohistory)
3
Pupfish(noun, creature, geohistory)
3
Rhabdammina(noun, creature, geohistory)
3
Rhinochimaeridae(noun, creature, geohistory)
3
River dolphin(expression, creature, geohistory)
3
Rupelian first appearance(expression, geohistory, period)
3
Sciaenidae(noun, creature, geohistory)
3
Scutella(noun, creature, geohistory)
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APASmart Define. (1970). extant paleogene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant paleogene first appearance thesaurus" https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, extant paleogene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleogene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>