Synonyms|0Antonyms|0|Broader|2Narrower|54Related|361
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Extant Rupelian first appearance(expression, appearance, period, geochronology)
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Gadidae(noun, animal, geohistory, appearance)
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Helix(noun, animal, geohistory, appearance)
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Honey bee(expression, animal, geohistory, appearance)
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Ictalurus(noun, animal, geohistory, appearance)
3
Inversiulidae(noun, animal, geohistory, appearance)
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John Dory(expression, animal, geohistory, appearance)
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Megabat(noun, animal, geohistory, appearance)
3
Mercenaria(noun, animal, geohistory, appearance)
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Metacarcinus(noun, animal, geohistory, appearance)
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Mongoose(noun, animal, geohistory, appearance)
3
Muscicapoidea(noun, animal, geohistory, appearance)
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Nephrops(noun, animal, geohistory, appearance)
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Notoplax(noun, animal, geohistory, appearance)
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Old World monkey(expression, animal, geohistory, appearance)
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Oregonia(noun, animal, geohistory, appearance)
3
Passeroidea(noun, animal, geohistory, appearance)
3
Paucituberculata(noun, animal, geohistory, appearance)
3
Phalangeriformes(noun, animal, geohistory, appearance)
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Phiomorpha(noun, animal, geohistory, appearance)
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APASmart Define. (1970). extant oligocene first appearance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/narrower
ChicagoSmart Define. 1970. "extant oligocene first appearance thesaurus" https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/narrower (accessed September 29, 2026).
HarvardSmart Define 1970, extant oligocene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/narrower>.
MLASmart Define. "extant oligocene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/narrower>