| Alamitophis(noun, geohistory, fauna, extinction) |
| Alvarez hypothesis(expression, geology, geohistory, hypothesis) |
| Boltysh crater(expression, geology, geohistory, crater) |
| Chicxulub crater(expression, geology, geohistory, crater) |
| Chicxulub impactor(expression, geology, geohistory, impactor) |
| Chota Formation(expression, geology, geohistory, formation) |
| Cretaceous-Paleogene extinction event(expression, geology, geohistory, event) |
| Denver Formation(expression, geology, geohistory, formation) |
| Ferris Formation(expression, geology, geohistory, formation) |
| Fort Union Formation(expression, geology, geohistory, formation) |
| Guaduas Formation(expression, geology, geohistory, formation) |
| Hell Creek Formation(expression, geology, geohistory, formation) |
| Hyposaurus(noun, geohistory, fauna, extinction) |
| Lopez de Bertodano Formation(expression, geology, geohistory, formation) |
| Madtsoia(noun, geohistory, fauna, extinction) |
| Madtsoiidae(noun, geohistory, fauna, extinction) |
| Malargue Group(expression, geology, geohistory, group) |
| Ojo Alamo Formation(expression, geology, geohistory, formation) |
| Palaeophiidae(noun, geohistory, fauna, extinction) |
| Santa Lucia Formation(expression, geology, geohistory, formation) |