| Cercamoniinae(noun, geohistory, eocene, extinction) |
| Chattian extinction(expression, extinction, period, geochronology) |
| Chicxulub crater(expression, geology, crater, paleogene) |
| Chicxulub impactor(expression, boundary, paleogene, impactor) |
| Chota Formation(expression, geohistory, formation, paleogene) |
| Cimolesta(noun, geohistory, eocene, extinction) |
| Cimolodonta(noun, geohistory, eocene, extinction) |
| Cimolodontidae(noun, geohistory, extinction, paleocene) |
| Cimolomyidae(noun, geohistory, extinction, paleocene) |
| Condylarth(noun, geohistory, extinction, paleocene) |
| Cormocyon(noun, geohistory, extinction, oligocene) |
| Coryphodontidae(noun, geohistory, eocene, extinction) |
| Cretaceous-Paleogene extinction event(expression, event, extinction, paleogene) |
| Cymatoceras(noun, geohistory, extinction, oligocene) |
| Cymatoceratidae(noun, geohistory, extinction, oligocene) |
| Deltatheroida(noun, geohistory, extinction, paleocene) |
| Denver Formation(expression, geohistory, formation, paleogene) |
| Dinocerata(noun, geohistory, eocene, extinction) |
| Dinopanorpidae(noun, geohistory, eocene, extinction) |
| Dyrosauridae(noun, geohistory, eocene, extinction) |