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extant oligocene first appearance(expression, appearance, period, geochronology)
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rupelian first appearance(expression, geohistory, appearance, period)
For more, visit Extant_rupelian_first_appearance on Power Thesaurus
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APASmart Define. (1970). extant rupelian first appearance thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extant_rupelian_first_appearance/thesaurus/broader
ChicagoSmart Define. 1970. "extant rupelian first appearance thesaurus" https://smartdefine.org/extant_rupelian_first_appearance/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 1970, extant rupelian first appearance thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extant_rupelian_first_appearance/thesaurus/broader>.
MLASmart Define. "extant rupelian first appearance thesaurus" 1 January 1970. Web. 21 September 2026. <https://smartdefine.org/extant_rupelian_first_appearance/thesaurus/broader>