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24 entries under paleogene topic. ×

6
cretaceous-paleogene boundary(expression, extinction, period)
6
oligocene extinction(expression, extinction, period)
5
eocene extinction(expression, extinction, period)
2
Hyposaurus(noun, expression, fauna, extinction, paleocene)
2
Madtsoia(noun, expression, fauna, eocene, extinction)
2
Palaeophiidae(noun, expression, fauna, eocene, extinction)
2
Paleogene species extinction(expression, extinction, period)
2
Trigonia(noun, expression, fauna, extinction, paleocene)
2
Yaminuechelys(noun, expression, fauna, extinction, paleocene)
1
Alamitophis(expression, fauna, extinction)
1
Boltysh crater(expression, geology, crater)
1
Chicxulub crater(expression, geology, crater)
1
Chota Formation(expression, geohistory, formation)
1
Denver Formation(expression, geohistory, formation)
1
Ferris Formation(expression, geohistory, formation)
1
Fort Union Formation(expression, geohistory, formation)
1
Guaduas Formation(expression, geohistory, formation)
1
Hell Creek Formation(expression, geohistory, formation)
1
Lopez de Bertodano Formation(expression, geohistory, formation)
1
Madtsoiidae(expression, fauna, extinction)
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APASmart Define. (1970). paleogene genus extinction thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/paleogene_genus_extinction/thesaurus/related
ChicagoSmart Define. 1970. "paleogene genus extinction thesaurus" https://smartdefine.org/paleogene_genus_extinction/thesaurus/related (accessed October 1, 2026).
HarvardSmart Define 1970, paleogene genus extinction thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/paleogene_genus_extinction/thesaurus/related>.
MLASmart Define. "paleogene genus extinction thesaurus" 1 January 1970. Web. 1 October 2026. <https://smartdefine.org/paleogene_genus_extinction/thesaurus/related>