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162 entries under extinction topic. ×

2
Parectypodus(noun, fauna, eocene)
2
Paschatherium(noun, fauna, eocene)
2
Patriofelis(noun, fauna, eocene)
2
Pentacrinites(noun, fauna, eocene)
2
Periptychidae(noun, fauna, paleocene)
2
Philotrox(noun, fauna, chattian)
2
Phiomia(noun, fauna, rupelian)
2
Phymosoma(noun, fauna, eocene)
2
Piceoerpeton(noun, fauna, eocene)
2
Pilgrimella(noun, fauna, eocene)
2
Pliolophus(noun, fauna, eocene)
2
Poebrotherium(noun, fauna, rupelian)
2
Presbyornithidae(noun, fauna, rupelian)
2
Priscocamelus(noun, fauna, chattian)
2
Proaracana(noun, fauna, eocene)
2
Proborhyaenida(noun, fauna, chattian)
2
Prochetodon(noun, fauna, eocene)
2
Propalaeotherium(noun, fauna, eocene)
2
Proplatyarthrus(noun, fauna, oligocene)
2
Pseudocrypturus(noun, fauna, eocene)
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APASmart Define. (1970). oligocene extinction thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/oligocene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "oligocene extinction thesaurus" https://smartdefine.org/oligocene_extinction/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, oligocene extinction thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/oligocene_extinction/thesaurus/related>.
MLASmart Define. "oligocene extinction thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/oligocene_extinction/thesaurus/related>