312 entries under creature topic. ×

1
Apogon(noun, geohistory, eocene)
1
Arachnopusiidae(noun, geohistory, eocene)
1
Araliaceae(noun, geohistory, eocene)
1
Archaeohyracidae(noun, geohistory, paleocene)
1
Archaeonycteridae(noun, geohistory, ypresian)
1
Arctoidea(noun, geohistory, eocene)
1
Arctostylopida(noun, geohistory, paleocene)
1
Argyropelecus(noun, geohistory, eocene)
1
Arsinoitherium(noun, geohistory, priabonian)
1
Astrapotheria(noun, geohistory, paleocene)
1
Astrononion(noun, geohistory, eocene)
1
Aturia(noun, geohistory, paleocene)
1
Barn-owl(noun, geohistory, eocene)
1
Barracuda(noun, geohistory, eocene)
1
Bartonian(noun, geohistory, bartonian)
1
Bathyclupea(noun, geohistory, eocene)
1
Bathyclupeidae(noun, geohistory, eocene)
1
Bathygadus(noun, geohistory, eocene)
1
Bathygenys(noun, geohistory, priabonian)
1
Bear(noun, geohistory, eocene)
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APASmart Define. (1970). eocene first appearance thesaurus. Retrieved September 29, 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 September 29, 2026).
HarvardSmart Define 1970, eocene first appearance thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/eocene_first_appearance/thesaurus/related>.
MLASmart Define. "eocene first appearance thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/eocene_first_appearance/thesaurus/related>