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322 entries under geohistory topic. ×

4
Extant Lutetian first appearance(expression, eocene, period, lutetian)
4
Extant Oligocene first appearance(expression, appearance, period, oligocene)
4
Extant Paleocene first appearance(expression, appearance, period, paleocene)
4
Extant Ypresian first appearance(expression, eocene, period, ypresian)
4
Chattian first appearance(expression, period, oligocene)
4
Danian first appearance(expression, period, paleocene)
4
Extant Eocene first appearance(expression, appearance, period)
4
Rupelian first appearance(expression, period, oligocene)
4
Selandian first appearance(expression, period, paleocene)
4
Thanetian first appearance(expression, period, paleocene)
2
Atlanta(noun, creature, eocene, bartonian)
2
Auk(noun, creature, eocene, priabonian)
2
Cactus(noun, creature, eocene, priabonian)
2
Canidae(noun, creature, eocene, bartonian)
2
Colugo(noun, creature, eocene, priabonian)
2
Cuckoo(noun, creature, eocene, priabonian)
2
Geometer moth(expression, creature, eocene, priabonian)
2
Geometridae(noun, creature, eocene, priabonian)
2
Loon(noun, creature, eocene, priabonian)
2
Mitsukurina(noun, creature, eocene, bartonian)
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For more, visit Eocene_first_appearance on Power Thesaurus
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APASmart Define. (1970). eocene first appearance thesaurus. Retrieved October 1, 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 October 1, 2026).
HarvardSmart Define 1970, eocene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/eocene_first_appearance/thesaurus/related>.
MLASmart Define. "eocene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/eocene_first_appearance/thesaurus/related>