Synonyms|0Antonyms|0|Broader|1Narrower|6Related|668
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Extant Eocene first appearance(expression, geohistory, appearance, geochronology)
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Extant Oligocene first appearance(expression, geohistory, appearance, geochronology)
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Extant Paleocene first appearance(expression, geohistory, appearance, geochronology)
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Pelecaniformes(noun, name, animal, geohistory)
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Sailfish(noun, name, animal, geohistory)
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Tyrannides(noun, name, animal, geohistory)
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APASmart Define. (1970). extant paleogene first appearance thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/narrower
ChicagoSmart Define. 1970. "extant paleogene first appearance thesaurus" https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/narrower (accessed September 26, 2026).
HarvardSmart Define 1970, extant paleogene first appearance thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/narrower>.
MLASmart Define. "extant paleogene first appearance thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/narrower>