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380 entries under geohistory topic. ×

1
Ambulocetidae(noun, creature, eocene)
1
Amphechinus(noun, creature, oligocene)
1
Amynodontidae(noun, creature, eocene)
1
Anaptomorphinae(noun, creature, paleocene)
1
Anchitheriinae(noun, creature, eocene)
1
Ancylopoda(noun, creature, eocene)
1
Andrias scheuchzeri(expression, creature, oligocene)
1
Anoplotheriidae(noun, creature, eocene)
1
Anthracotheriidae(noun, creature, eocene)
1
Anthracotherium(noun, creature, eocene)
1
Archaeohyracidae(noun, creature, paleocene)
1
Archaeohyrax(noun, creature, eocene)
1
Archaeopithecidae(noun, creature, eocene)
1
Archaeotherium(noun, creature, eocene)
1
Arctostylopida(noun, creature, paleocene)
1
Arsinoitheriidae(noun, creature, eocene)
1
Asiadapinae(noun, creature, eocene)
1
Asterostomatidae(noun, creature, eocene)
1
Astrapotheria(noun, creature, paleocene)
1
Astrapotheriidae(noun, creature, eocene)
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For more, visit Extant_paleogene_first_appearance on Power Thesaurus
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APASmart Define. (1970). extant paleogene first appearance thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant paleogene first appearance thesaurus" https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, extant paleogene first appearance thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleogene first appearance thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>