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133 entries under extinction topic. ×

2
Bartonian extinction(expression, period, geochronology)
2
Basilosaurinae(noun, geohistory, eocene)
2
Bemalambdidae(noun, geohistory, paleocene)
2
Bennettitales(noun, geohistory, oligocene)
2
Brontotheriidae(noun, geohistory, eocene)
2
Caedocyon(noun, geohistory, oligocene)
2
Calamophylliopsis(noun, geohistory, oligocene)
2
Cercamoniinae(noun, geohistory, eocene)
2
Chattian extinction(expression, period, geochronology)
2
Cimolesta(noun, geohistory, eocene)
2
Cimolodonta(noun, geohistory, eocene)
2
Cimolodontidae(noun, geohistory, paleocene)
2
Cimolomyidae(noun, geohistory, paleocene)
2
Condylarth(noun, geohistory, paleocene)
2
Cormocyon(noun, geohistory, oligocene)
2
Coryphodontidae(noun, geohistory, eocene)
2
Cretaceous-Paleogene extinction event(expression, event, paleogene)
2
Cymatoceras(noun, geohistory, oligocene)
2
Cymatoceratidae(noun, geohistory, oligocene)
2
Deltatheroida(noun, geohistory, paleocene)
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APASmart Define. (1970). paleogene extinction thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/paleogene_extinction/thesaurus/related
ChicagoSmart Define. 1970. "paleogene extinction thesaurus" https://smartdefine.org/paleogene_extinction/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, paleogene extinction thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/paleogene_extinction/thesaurus/related>.
MLASmart Define. "paleogene extinction thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/paleogene_extinction/thesaurus/related>