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

25 entries under geohistory topic. ×

3
Alamitophis(noun, fauna, extinction)
3
Alvarez hypothesis(expression, geology, hypothesis)
3
Boltysh crater(expression, geology, crater)
3
Chicxulub crater(expression, geology, crater)
3
Chicxulub impactor(expression, geology, impactor)
3
Chota Formation(expression, geology, formation)
3
Cretaceous-Paleogene extinction event(expression, geology, event)
3
Denver Formation(expression, geology, formation)
3
Ferris Formation(expression, geology, formation)
3
Fort Union Formation(expression, geology, formation)
3
Guaduas Formation(expression, geology, formation)
3
Hell Creek Formation(expression, geology, formation)
3
Hyposaurus(noun, fauna, extinction)
3
Lopez de Bertodano Formation(expression, geology, formation)
3
Madtsoia(noun, fauna, extinction)
3
Madtsoiidae(noun, fauna, extinction)
3
Malargue Group(expression, geology, group)
3
Ojo Alamo Formation(expression, geology, formation)
3
Palaeophiidae(noun, fauna, extinction)
3
Santa Lucia Formation(expression, geology, formation)
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APASmart Define. (1970). cretaceous-paleogene boundary thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower
ChicagoSmart Define. 1970. "cretaceous-paleogene boundary thesaurus" https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower (accessed October 1, 2026).
HarvardSmart Define 1970, cretaceous-paleogene boundary thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>.
MLASmart Define. "cretaceous-paleogene boundary thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/cretaceous-paleogene_boundary/thesaurus/narrower>