2
Oromerycidae(noun, geohistory, eocene, extinction)
2
Pakicetidae(noun, geohistory, eocene, extinction)
2
Palaeoamasiidae(noun, geohistory, eocene, extinction)
2
Palaeochiropterygidae(noun, geohistory, eocene, extinction)
2
Palaeolagus(noun, geohistory, extinction, oligocene)
2
Palaeophiidae(noun, geohistory, eocene, extinction)
2
Palaeoryctidae(noun, geohistory, extinction, paleocene)
2
Palaeotheriidae(noun, geohistory, extinction, oligocene)
2
Paleocene species extinction(expression, extinction, period, geochronology)
2
Palimphyes(noun, geohistory, extinction, oligocene)
2
Pantolestidae(noun, geohistory, extinction, oligocene)
2
Parapithecidae(noun, geohistory, extinction, oligocene)
2
Parapithecoidea(noun, geohistory, extinction, oligocene)
2
Peltosaurus(noun, geohistory, extinction, oligocene)
2
Periptychidae(noun, geohistory, extinction, paleocene)
2
Phenacodontidae(noun, geohistory, eocene, extinction)
2
Plesiadapiformes(noun, geohistory, eocene, extinction)
2
Priabonian extinction(expression, extinction, period, geochronology)
2
Priscagamidae(noun, geohistory, eocene, extinction)
2
Pristichampsidae(noun, geohistory, eocene, extinction)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related
ChicagoSmart Define. 1970. "cretaceous-paleogene boundary thesaurus" https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>