109 entries under noun topic. ×

1
Azibiidae(animal, geohistory, appearance)
1
Barytherium(animal, geohistory, appearance)
1
Basilosaurinae(animal, geohistory, appearance)
1
Borhyaenidae(animal, geohistory, appearance)
1
Bothriogenys(animal, geohistory, appearance)
1
Brontotheriidae(animal, geohistory, appearance)
1
Cercamoniinae(animal, geohistory, appearance)
1
Chalicothere(animal, geohistory, appearance)
1
Chalicotherioidea(animal, geohistory, appearance)
1
Coeloma(animal, geohistory, appearance)
1
Conoclypus(animal, geohistory, appearance)
1
Cynodictis(animal, geohistory, appearance)
1
Daphoenus(animal, geohistory, appearance)
1
Dermotherium(animal, geohistory, appearance)
1
Diamantomyidae(animal, geohistory, appearance)
1
Dichobunidae(animal, geohistory, appearance)
1
Diplocynodontinae(animal, geohistory, appearance)
1
Echinopedinidae(animal, geohistory, appearance)
1
Entelodont(animal, geohistory, appearance)
1
Eomyidae(animal, geohistory, appearance)
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APASmart Define. (1970). eocene first appearance thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/eocene_first_appearance/thesaurus/narrower
ChicagoSmart Define. 1970. "eocene first appearance thesaurus" https://smartdefine.org/eocene_first_appearance/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 1970, eocene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/eocene_first_appearance/thesaurus/narrower>.
MLASmart Define. "eocene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/eocene_first_appearance/thesaurus/narrower>