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380 entries under geohistory topic. ×

3
Pangolin(noun, creature, paleocene)
3
Passeroidea(noun, creature, oligocene)
3
Paucituberculata(noun, creature, oligocene)
3
Penguin(noun, creature, paleocene)
3
Phalangeriformes(noun, creature, oligocene)
3
Phidoloporidae(noun, creature, paleocene)
3
Phiomorpha(noun, creature, oligocene)
3
Pilosa(noun, creature, paleocene)
3
Pimelodidae(noun, creature, oligocene)
3
Pinnotheridae(noun, creature, paleocene)
3
Placentalia(noun, creature, paleocene)
3
Podocnemididae(noun, creature, paleocene)
3
Polinices(noun, creature, paleocene)
3
Priabonian first appearance(expression, eocene, period)
3
Proboscidea(noun, creature, paleocene)
3
Protoma(noun, creature, oligocene)
3
Proxiuber(noun, creature, paleocene)
3
Pupfish(noun, creature, oligocene)
3
Rhabdammina(noun, creature, oligocene)
3
Rhineuridae(noun, creature, paleocene)
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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>