290 entries under noun topic. ×

1
Clavilithes(creature, geohistory, paleocene)
1
Clupeidae(creature, geohistory, eocene)
1
Clypeaster(creature, geohistory, eocene)
1
Coconut(creature, geohistory, eocene)
1
Coelopleurus(creature, geohistory, eocene)
1
Colymboides(creature, geohistory, priabonian)
1
Conger(creature, geohistory, eocene)
1
Conus(creature, geohistory, eocene)
1
Coraciiformes(creature, geohistory, eocene)
1
Corvoidea(creature, geohistory, eocene)
1
Coryphodon(creature, geohistory, paleocene)
1
Coryphodontidae(creature, geohistory, paleocene)
1
Creodonta(creature, geohistory, paleocene)
1
Crommium(creature, geohistory, paleocene)
1
Cuspidaria(creature, geohistory, eocene)
1
Cymatium(creature, geohistory, eocene)
1
Cyprinidae(creature, geohistory, eocene)
1
Dairoidea(creature, geohistory, eocene)
1
Danaphos(creature, geohistory, eocene)
1
Diaphus(creature, geohistory, eocene)
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APASmart Define. (1970). eocene first appearance thesaurus. Retrieved October 1, 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 October 1, 2026).
HarvardSmart Define 1970, eocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/eocene_first_appearance/thesaurus/related>.
MLASmart Define. "eocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/eocene_first_appearance/thesaurus/related>