- Definitions|0
- Thesaurus|417
- Abbreviations|0
351 entries under creature topic. ×
| Actinidia(noun, geohistory, eocene) | |
| Adelotus(noun, geohistory, chattian) | |
| Adeonellidae(noun, geohistory, eocene) | |
| Adeonidae(noun, geohistory, eocene) | |
| Aequornithes(noun, geohistory, paleocene) | |
| Afroaves(noun, geohistory, paleocene) | |
| Afrotheria(noun, geohistory, paleocene) | |
| Aldrovanda(noun, geohistory, paleocene) | |
| Alectis(noun, geohistory, eocene) | |
| Alligatorinae(noun, geohistory, paleocene) | |
| Alosa(noun, geohistory, eocene) | |
| Amphipoda(noun, geohistory, eocene) | |
| Amphistegina(noun, geohistory, eocene) | |
| Ampullinopsis(noun, geohistory, paleocene) | |
| Anatidae(noun, geohistory, rupelian) | |
| Andrias(noun, geohistory, paleocene) | |
| Anguillidae(noun, geohistory, paleocene) | |
| Anomalure(noun, geohistory, eocene) | |
| Anomaluromorpha(noun, geohistory, eocene) | |
| Anseranatidae(noun, geohistory, eocene) |
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Extant_oligocene_first_appearance on
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| APA | Smart Define. (1970). extant oligocene first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related |
| Chicago | Smart Define. 1970. "extant oligocene first appearance thesaurus" https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 1970, extant oligocene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related>. |
| MLA | Smart Define. "extant oligocene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/extant_oligocene_first_appearance/thesaurus/related> |