- Definitions|0
- Thesaurus|471
- Abbreviations|0
312 entries under creature topic. ×
| Gentilicamelus(noun, geohistory, rupelian) | |
| Gigantostrea(noun, geohistory, eocene) | |
| Gobiomyidae(noun, geohistory, eocene) | |
| Ground sloth(expression, geohistory, eocene) | |
| Gryposuchinae(noun, geohistory, chattian) | |
| Hapalodectidae(noun, geohistory, paleocene) | |
| Hegetotheriidae(noun, geohistory, eocene) | |
| Heliscomyidae(noun, geohistory, eocene) | |
| Helix(noun, eocene, geogistory) | |
| Hemicyoninae(noun, geohistory, chattian) | |
| Henricosborniidae(noun, geohistory, paleocene) | |
| Hesperocyoninae(noun, geohistory, eocene) | |
| Hoanghoniinae(noun, geohistory, eocene) | |
| Homalodotheriidae(noun, geohistory, eocene) | |
| Honey bee(expression, geogistory, oligocene) | |
| Horusornithidae(noun, geohistory, eocene) | |
| Hyaenodon(noun, geohistory, eocene) | |
| Hyaenodontidae(noun, geohistory, paleocene) | |
| Hymenaea mexicana(expression, geohistory, chattian) | |
| Hypertragulidae(noun, geohistory, eocene) |
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Oligocene_first_appearance on
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| APA | Smart Define. (1970). oligocene first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/oligocene_first_appearance/thesaurus/related |
| Chicago | Smart Define. 1970. "oligocene first appearance thesaurus" https://smartdefine.org/oligocene_first_appearance/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 1970, oligocene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/oligocene_first_appearance/thesaurus/related>. |
| MLA | Smart Define. "oligocene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/oligocene_first_appearance/thesaurus/related> |