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539 entries under creature topic. ×

3
Podocnemididae(noun, geohistory, paleocene)
3
Polinices(noun, geohistory, paleocene)
3
Potoo(noun, eocene, geogistory)
3
Proboscidea(noun, geohistory, paleocene)
3
Procellariiformes(noun, eocene, geogistory)
3
Protoma(noun, geohistory, oligocene)
3
Proxiuber(noun, geohistory, paleocene)
3
Pseudolarix(noun, eocene, geogistory)
3
Pseudozioidea(noun, eocene, geogistory)
3
Pupfish(noun, geohistory, oligocene)
3
Pyrazus(noun, eocene, geogistory)
3
Rail(noun, eocene, geogistory)
3
Rajiformes(noun, eocene, geogistory)
3
Rhabdammina(noun, geohistory, oligocene)
3
Rhineuridae(noun, geohistory, paleocene)
3
Rhinoceros(noun, eocene, geogistory)
3
Rhinochimaeridae(noun, geohistory, oligocene)
3
Rhodolith(noun, eocene, geogistory)
3
River dolphin(expression, geohistory, oligocene)
3
Roller(noun, eocene, geogistory)
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APASmart Define. (1970). extant paleogene first appearance thesaurus. Retrieved September 30, 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 September 30, 2026).
HarvardSmart Define 1970, extant paleogene first appearance thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleogene first appearance thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/extant_paleogene_first_appearance/thesaurus/related>