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242 entries under eocene topic. ×

2
Cheiragonidae(noun, creature, geohistory)
2
Cladonychiidae(noun, creature, geohistory)
2
Clupeidae(noun, creature, geohistory)
2
Clypeaster(noun, creature, geohistory)
2
Coconut(noun, creature, geohistory)
2
Coelopleurus(noun, creature, geohistory)
2
Colpophyllia(noun, creature, geogistory)
2
Colubridae(noun, creature, geogistory)
2
Colugo(noun, creature, geohistory)
2
Cone snail(expression, creature, geohistory)
2
Conger(noun, creature, geohistory)
2
Conus(noun, creature, geohistory)
2
Coraciiformes(noun, creature, geohistory)
2
Corvoidea(noun, creature, geohistory)
2
Cottidae(noun, creature, geogistory)
2
Cuckoo(noun, creature, geohistory)
2
Curassow(noun, creature, geogistory)
2
Cuspidaria(noun, creature, geohistory)
2
Cymatium(noun, creature, geohistory)
2
Cyprinidae(noun, creature, geohistory)
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APASmart Define. (1970). extant paleocene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant paleocene first appearance thesaurus" https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, extant paleocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related>