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242 entries under eocene topic. ×

2
Peccary(noun, creature, geohistory)
2
Percopsiformes(noun, creature, geohistory)
2
Peripatidae(noun, creature, geohistory)
2
Phalangeriformes(noun, creature, geogistory)
2
Phiomorpha(noun, creature, geogistory)
2
Phoenicopteridae(noun, creature, geohistory)
2
Phoenicopteriformes(noun, creature, geohistory)
2
Piciformes(noun, creature, geohistory)
2
Pimelodidae(noun, creature, geogistory)
2
Platax(noun, creature, geohistory)
2
Potoo(noun, creature, geohistory)
2
Procellariiformes(noun, creature, geohistory)
2
Protoma(noun, creature, geogistory)
2
Pseudolarix(noun, creature, geohistory)
2
Pseudozioidea(noun, creature, geohistory)
2
Pupfish(noun, creature, geogistory)
2
Pyrazus(noun, creature, geohistory)
2
Rail(noun, creature, geohistory)
2
Rajiformes(noun, creature, geohistory)
2
Rhabdammina(noun, creature, geogistory)
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APASmart Define. (1970). extant paleocene first appearance thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "extant paleocene first appearance thesaurus" https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related (accessed October 2, 2026).
HarvardSmart Define 1970, extant paleocene first appearance thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related>.
MLASmart Define. "extant paleocene first appearance thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/extant_paleocene_first_appearance/thesaurus/related>