312 entries under creature topic. ×

1
Adeonidae(noun, geohistory, eocene)
1
Aegyptopithecus(noun, geohistory, priabonian)
1
Afossochiton(noun, geohistory, oligocene)
1
Ailuridae(noun, geohistory, oligocene)
1
Alagomyidae(noun, geohistory, paleocene)
1
Alectis(noun, geohistory, eocene)
1
Alosa(noun, geohistory, eocene)
1
Amphechinus(noun, geohistory, oligocene)
1
Amphipoda(noun, geohistory, eocene)
1
Amphistegina(noun, geohistory, eocene)
1
Anaptomorphinae(noun, geohistory, paleocene)
1
Andrewsarchus(noun, geohistory, lutetian)
1
Andrias scheuchzeri(expression, geohistory, oligocene)
1
Anomalure(noun, geohistory, eocene)
1
Anomaluromorpha(noun, geohistory, eocene)
1
Anseranatidae(noun, geohistory, eocene)
1
Anthidium exhumatum(expression, geohistory, priabonian)
1
Anthidium scudderi(expression, geohistory, priabonian)
1
Anthropornis(noun, geohistory, priabonian)
1
Apidium(noun, geohistory, priabonian)
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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>