170 entries under noun topic. ×

3
Atlantogenata(creature, geohistory, paleocene)
3
Australidelphia(creature, geohistory, paleocene)
3
Bat(creature, geohistory, ypresian)
3
Bathytoma(creature, geohistory, paleocene)
3
Boidae(creature, geohistory, paleocene)
3
Boinae(creature, geohistory, paleocene)
3
Bonefishes(creature, geohistory, paleocene)
3
Buccella(creature, appearance, eocene, geogistory)
3
Budgerigar(creature, geohistory, paleocene)
3
Buteo(creature, appearance, eocene, geogistory)
3
Butterfly(creature, geohistory, lutetian)
3
Caiman(creature, geohistory, paleocene)
3
Callichthyidae(creature, geohistory, paleocene)
3
Callochiton(creature, appearance, eocene, geogistory)
3
Camelid(creature, geohistory, lutetian)
3
Caniformia(creature, geohistory, lutetian)
3
Caprimulgiformes(creature, geohistory, paleocene)
3
Carnivora(creature, geohistory, lutetian)
3
Carpilioidea(creature, geohistory, paleocene)
3
Cassis(creature, geohistory, paleocene)
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APASmart Define. (1970). extant eocene first appearance thesaurus. Retrieved October 1, 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 October 1, 2026).
HarvardSmart Define 1970, extant eocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant eocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>