- Definitions|0
- Thesaurus|176
- Abbreviations|0
59 entries under oligocene topic. ×
| Rupelian first appearance(expression, geohistory, appearance, period) | |
| Extant Oligocene first appearance(expression, geohistory, appearance, period) | |
| Extant Rupelian first appearance(expression, geohistory, geogistory, period) | |
| eocene first appearance(expression, geohistory, period) | |
| extant paleogene first appearance(expression, geohistory, period) | |
| paleogene first appearance(expression, appearance, period) | |
| Acanthochitona(noun, creature, geogistory) | |
| Aeluroidea(noun, creature, geogistory) | |
| Albatross(noun, creature, geogistory) | |
| Alligator(noun, creature, geogistory) | |
| Ameiurus(noun, creature, geogistory) | |
| Aplodontiidae(noun, creature, geogistory) | |
| Buccella(noun, creature, geogistory) | |
| Buteo(noun, creature, geogistory) | |
| Callochiton(noun, creature, geogistory) | |
| Certhioidea(noun, creature, geogistory) | |
| Chaetopleura(noun, creature, geogistory) | |
| Chamaesipho(noun, creature, geogistory) | |
| Colpophyllia(noun, creature, geogistory) | |
| Colubridae(noun, creature, geogistory) |
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| APA | Smart Define. (1970). chattian first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/chattian_first_appearance/thesaurus/related |
| Chicago | Smart Define. 1970. "chattian first appearance thesaurus" https://smartdefine.org/chattian_first_appearance/thesaurus/related (accessed October 1, 2026). |
| Harvard | Smart Define 1970, chattian first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/chattian_first_appearance/thesaurus/related>. |
| MLA | Smart Define. "chattian first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/chattian_first_appearance/thesaurus/related> |