Synonyms|0Antonyms|0|Broader|2Narrower|54Related|361

319 entries under noun topic. ×

2
Actinidia(creature, geohistory, eocene)
2
Adelotus(creature, geohistory, chattian)
2
Adeonellidae(creature, geohistory, eocene)
2
Adeonidae(creature, geohistory, eocene)
2
Aequornithes(creature, geohistory, paleocene)
2
Afroaves(creature, geohistory, paleocene)
2
Afrotheria(creature, geohistory, paleocene)
2
Aldrovanda(creature, geohistory, paleocene)
2
Alectis(creature, geohistory, eocene)
2
Alligatorinae(creature, geohistory, paleocene)
2
Alosa(creature, geohistory, eocene)
2
Amphipoda(creature, geohistory, eocene)
2
Amphistegina(creature, geohistory, eocene)
2
Ampullinopsis(creature, geohistory, paleocene)
2
Anatidae(creature, geohistory, rupelian)
2
Andrias(creature, geohistory, paleocene)
2
Anguillidae(creature, geohistory, paleocene)
2
Anomalure(creature, geohistory, eocene)
2
Anomaluromorpha(creature, geohistory, eocene)
2
Anseranatidae(creature, geohistory, eocene)
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APASmart Define. (1970). extant oligocene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant oligocene first appearance thesaurus" https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, extant oligocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant oligocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>