187 entries under geohistory topic. ×
| eocene first appearance(noun, creature, eocene, priabonian) | |
| lutetian first appearance(noun, creature, eocene, priabonian) | |
| ypresian first appearance(noun, creature, eocene, priabonian) | |
| extant oligocene first appearance(noun, creature, eocene) | |
| extant paleocene first appearance(noun, creature, eocene) | |
| extant rupelian first appearance(noun, animal, appearance) | |
| priabonian first appearance(noun, creature, eocene) |
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| APA | Smart Define. (2016). loon thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/loon/thesaurus/related |
| Chicago | Smart Define. 2016. "loon thesaurus" https://smartdefine.org/loon/thesaurus/related (accessed October 1, 2026). |
| Harvard | Smart Define 2016, loon thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/loon/thesaurus/related>. |
| MLA | Smart Define. "loon thesaurus" 29 February 2016. Web. 1 October 2026. <https://smartdefine.org/loon/thesaurus/related> |