3
Cibicides(noun, creature, geohistory, paleocene)
3
Cingulata(noun, creature, geohistory, paleocene)
3
Clavulina(noun, creature, geohistory, paleocene)
3
Colpophyllia(noun, creature, appearance, eocene, geogistory)
3
Colubridae(noun, creature, appearance, eocene, geogistory)
3
Corallus(noun, creature, geohistory, paleocene)
3
Corydoras(noun, creature, geohistory, paleocene)
3
Cottidae(noun, creature, appearance, eocene, geogistory)
3
Crocodile(noun, creature, geohistory, ypresian)
3
Crocodylidae(noun, creature, geohistory, ypresian)
3
Cryptobranchus(noun, creature, geohistory, paleocene)
3
Cucurbitaceae(noun, creature, geohistory, paleocene)
3
Curassow(noun, creature, appearance, eocene, geogistory)
3
Cypriniformes(noun, creature, geohistory, paleocene)
3
Cyprinodontiformes(noun, creature, appearance, eocene, geogistory)
3
Delphinoidea(noun, creature, appearance, eocene, geogistory)
3
Diodon(noun, creature, geohistory, ypresian)
3
Elachorbis(noun, creature, appearance, eocene, geogistory)
3
Elephant shrew(expression, creature, geohistory, lutetian)
3
Enoplosus armatus(expression, creature, geohistory, paleocene)
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APASmart Define. (1970). extant eocene first appearance thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant eocene first appearance thesaurus" https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, extant eocene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant eocene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>