- Definitions|0
- Thesaurus|354
- Abbreviations|0
4 entries under expression topic. ×
| Eocene first appearance(geohistory, appearance, geochronology) | |
| Extant Paleogene first appearance(geohistory, appearance, geochronology) | |
| Oligocene first appearance(geohistory, appearance, geochronology) | |
| Paleocene first appearance(geohistory, appearance, geochronology) |
For more, visit
Paleogene_first_appearance on
Power Thesaurus
| APA | Smart Define. (1970). paleogene first appearance thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/paleogene_first_appearance/thesaurus/narrower |
| Chicago | Smart Define. 1970. "paleogene first appearance thesaurus" https://smartdefine.org/paleogene_first_appearance/thesaurus/narrower (accessed September 24, 2026). |
| Harvard | Smart Define 1970, paleogene first appearance thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/paleogene_first_appearance/thesaurus/narrower>. |
| MLA | Smart Define. "paleogene first appearance thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/paleogene_first_appearance/thesaurus/narrower> |