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201 entries under noun topic. ×

4
Pakicetidae(creature, appearance, eocene)
4
Palaeoamasiidae(creature, appearance, eocene)
4
Palaeocarpilius(creature, appearance, eocene)
4
Palaeochiropterygidae(creature, appearance, eocene)
4
Palaeogale(creature, appearance, eocene)
4
Palaeomerycidae(creature, appearance, eocene)
4
Palaeonictis(creature, appearance, paleocene)
4
Palaeotheriidae(creature, appearance, eocene)
4
Pampatheriidae(creature, appearance, oligocene)
4
Pantodonta(creature, appearance, paleocene)
4
Parapithecidae(creature, appearance, eocene)
4
Parapithecoidea(creature, appearance, eocene)
4
Paroreodon(creature, appearance, oligocene)
4
Patriofelis(creature, appearance, eocene)
4
Peltephilus(creature, appearance, oligocene)
4
Periptychidae(creature, appearance, paleocene)
4
Phenacodontidae(creature, appearance, paleocene)
4
Philisidae(creature, appearance, eocene)
4
Phiomyidae(creature, appearance, eocene)
4
Plesiadapidae(creature, appearance, paleocene)
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APASmart Define. (1970). paleogene first appearance thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/paleogene_first_appearance/thesaurus/related
ChicagoSmart Define. 1970. "paleogene first appearance thesaurus" https://smartdefine.org/paleogene_first_appearance/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, paleogene first appearance thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>.
MLASmart Define. "paleogene first appearance thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/paleogene_first_appearance/thesaurus/related>