Synonyms|0Antonyms|0|Broader|2Narrower|10Related|160

133 entries under extinction topic. ×

2
Parapithecoidea(noun, geohistory, oligocene)
2
Peltosaurus(noun, geohistory, oligocene)
2
Periptychidae(noun, geohistory, paleocene)
2
Phenacodontidae(noun, geohistory, eocene)
2
Plesiadapiformes(noun, geohistory, eocene)
2
Priabonian extinction(expression, period, geochronology)
2
Priscagamidae(noun, geohistory, eocene)
2
Pristichampsidae(noun, geohistory, eocene)
2
Prorastomidae(noun, geohistory, eocene)
2
Proteopithecidae(noun, geohistory, oligocene)
2
Protocetidae(noun, geohistory, eocene)
2
Pteridospermatophyta(noun, geohistory, eocene)
2
Ptilodontidae(noun, geohistory, paleocene)
2
Ptilodontoidea(noun, geohistory, eocene)
2
Pyrotheria(noun, geohistory, oligocene)
2
Raoellidae(noun, geohistory, eocene)
2
Remingtonocetidae(noun, geohistory, eocene)
2
Rupelian extinction(expression, period, geochronology)
2
Sclerorhynchidae(noun, geohistory, eocene)
2
Selandian extinction(expression, period, geochronology)
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APASmart Define. (1970). paleogene extinction thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/paleogene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "paleogene extinction thesaurus" https://smartdefine.org/paleogene_extinction/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 1970, paleogene extinction thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/paleogene_extinction/thesaurus/related>.
MLASmart Define. "paleogene extinction thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/paleogene_extinction/thesaurus/related>