3
Handfish(noun, creature, geohistory, lutetian)
3
Haplorhini(noun, creature, geohistory, paleocene)
3
Helix(noun, creature, appearance, eocene, geogistory)
3
Heron(noun, creature, geohistory, paleocene)
3
Hexaplex(noun, creature, geohistory, paleocene)
3
Hexapodidae(noun, creature, geohistory, paleocene)
3
Hexapus(noun, creature, geohistory, lutetian)
3
Honey bee(expression, creature, appearance, eocene, geogistory)
3
Houndshark(noun, creature, geohistory, paleocene)
3
Hyrax(noun, creature, geohistory, ypresian)
3
Ictalurus(noun, creature, appearance, eocene, geogistory)
3
Inversiulidae(noun, creature, appearance, eocene, geogistory)
3
Iridaceae(noun, creature, geohistory, paleocene)
3
John Dory(expression, creature, appearance, eocene, geogistory)
3
Justitia(noun, creature, geohistory, lutetian)
3
Lacertoidea(noun, creature, geohistory, paleocene)
3
Lagomorpha(noun, creature, geohistory, paleocene)
3
Lamna(noun, creature, geohistory, paleocene)
3
Lemuriformes(noun, creature, geohistory, paleocene)
3
Leporidae(noun, creature, geohistory, ypresian)
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APASmart Define. (1970). extant eocene first appearance thesaurus. Retrieved September 30, 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 September 30, 2026).
HarvardSmart Define 1970, extant eocene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant eocene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/extant_eocene_first_appearance/thesaurus/related>