Synonyms|0Antonyms|0|Broader|1Narrower|34Related|436

292 entries under noun topic. ×

1
Eurymylidae(creature, geohistory, paleocene)
1
Eutypomyidae(creature, geohistory, eocene)
1
Euzaphlegidae(creature, geohistory, paleocene)
1
Fabiania(creature, geohistory, paleocene)
1
Ficopsis(creature, geohistory, paleocene)
1
Florissantia(creature, geohistory, eocene)
1
Formiciinae(creature, geohistory, eocene)
1
Gadidae(creature, eocene, geogistory)
1
Galecyon(creature, geohistory, eocene)
1
Gastornis(creature, geohistory, paleocene)
1
Gentilicamelus(creature, geohistory, rupelian)
1
Gigantostrea(creature, geohistory, eocene)
1
Gobiomyidae(creature, geohistory, eocene)
1
Gryposuchinae(creature, geohistory, chattian)
1
Hapalodectidae(creature, geohistory, paleocene)
1
Hegetotheriidae(creature, geohistory, eocene)
1
Heliscomyidae(creature, geohistory, eocene)
1
Helix(creature, eocene, geogistory)
1
Hemicyoninae(creature, geohistory, chattian)
1
Henricosborniidae(creature, geohistory, paleocene)
For more, visit Oligocene_first_appearance on Power Thesaurus
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APASmart Define. (1970). oligocene first appearance thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/oligocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "oligocene first appearance thesaurus" https://smartdefine.org/oligocene_first_appearance/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, oligocene first appearance thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/oligocene_first_appearance/thesaurus/related>.
MLASmart Define. "oligocene first appearance thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/oligocene_first_appearance/thesaurus/related>