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248 entries under creature topic. ×

2
Homalodotheriidae(noun, geohistory, eocene)
2
Horusornithidae(noun, geohistory, eocene)
2
Hyaenodon(noun, geohistory, eocene)
2
Hyopsodontidae(noun, geohistory, danian)
2
Hypertragulidae(noun, geohistory, eocene)
2
Hypertragulus(noun, geohistory, eocene)
2
Hyporhina(noun, geohistory, eocene)
2
Hyracodontidae(noun, geohistory, eocene)
2
Indricotheriinae(noun, geohistory, eocene)
2
Ischnochiton(noun, geohistory, eocene)
2
Kentriodontidae(noun, geohistory, oligocene)
2
Leontiniidae(noun, geohistory, eocene)
2
Leptomerycinae(noun, geohistory, eocene)
2
Leptomeryx(noun, geohistory, eocene)
2
Limnocyon(noun, geohistory, eocene)
2
Lobocarcinus(noun, geohistory, eocene)
2
Macginitiea(noun, geohistory, eocene)
2
Machaeroides(noun, geohistory, eocene)
2
Macraucheniidae(noun, geohistory, eocene)
2
Mammacyon(noun, geohistory, oligocene)
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APASmart Define. (1970). paleocene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/paleocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "paleocene first appearance thesaurus" https://smartdefine.org/paleocene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, paleocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/paleocene_first_appearance/thesaurus/related>.
MLASmart Define. "paleocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/paleocene_first_appearance/thesaurus/related>