1
Diplocynodon(noun, creature, geohistory, paleocene)
1
Dipodidae(noun, creature, geohistory, eocene)
1
Discoaster(noun, creature, geohistory, paleocene)
1
Dormouse(noun, creature, geohistory, eocene)
1
Dromornithidae(noun, creature, geohistory, oligocene)
1
Ekgmowechashala(noun, creature, geohistory, oligocene)
1
Electric ray(expression, creature, geohistory, eocene)
1
Elphidium(noun, creature, geohistory, eocene)
1
Epinephelus(noun, creature, geohistory, eocene)
1
Erinaceidae(noun, creature, geohistory, eocene)
1
Escavadodontidae(noun, creature, geohistory, paleocene)
1
Eulipotyphla(noun, creature, geohistory, eocene)
1
Eurylaimides(noun, creature, geohistory, eocene)
1
Eurymylidae(noun, creature, geohistory, paleocene)
1
Euzaphlegidae(noun, creature, geohistory, paleocene)
1
Fabiania(noun, creature, geohistory, paleocene)
1
False trevally(expression, creature, geohistory, eocene)
1
Ficopsis(noun, creature, geohistory, paleocene)
1
Flagtail(noun, creature, geohistory, eocene)
1
Free-tailed bat(expression, creature, geohistory, eocene)
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APASmart Define. (1970). eocene first appearance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/eocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "eocene first appearance thesaurus" https://smartdefine.org/eocene_first_appearance/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, eocene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/eocene_first_appearance/thesaurus/related>.
MLASmart Define. "eocene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/eocene_first_appearance/thesaurus/related>