Synonyms|1Antonyms|0|Broader|3Narrower|25Related|147

146 entries under extinction topic. ×

2
Archaeohyrax(noun, geohistory, oligocene)
2
Archaeopithecidae(noun, geohistory, eocene)
2
Arctocyonidae(noun, geohistory, eocene)
2
Arctostylopida(noun, geohistory, eocene)
2
Asiadapinae(noun, geohistory, eocene)
2
Azibiidae(noun, geohistory, eocene)
2
Baenidae(noun, geohistory, eocene)
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)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved October 2, 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 2, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 2 October 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/related>