| danian first appearance(expression, geohistory, appearance, period, paleocene) |
| Extant Paleocene first appearance(expression, geohistory, appearance, period, paleocene) |
| Selandian first appearance(expression, geohistory, appearance, period, paleocene) |
| Acer smileyi(expression, creature, geohistory, chattian) |
| Alligatorinae(noun, creature, geohistory, paleocene, selandian) |
| Anguillidae(noun, creature, geohistory, paleocene, danian) |
| Bonefishes(noun, creature, geohistory, paleocene, danian) |
| Caiman(noun, creature, geohistory, paleocene, selandian) |
| Carcharocles angustidens(expression, creature, geohistory, chattian) |
| Cynarctoides luskensis(expression, creature, geohistory, chattian) |
| Enhydrocyon basilatus(expression, creature, geohistory, chattian) |
| Gnathophis(noun, creature, geohistory, paleocene, danian) |
| Hymenaea mexicana(expression, creature, geohistory, chattian) |
| Iridaceae(noun, creature, geohistory, paleocene, selandian) |
| Lacertoidea(noun, creature, geohistory, paleocene, selandian) |
| Lamna(noun, creature, geohistory, paleocene, danian) |
| Nebrius(noun, creature, geohistory, paleocene, danian) |
| Nebrius ferrugineus(expression, creature, geohistory, paleocene, danian) |
| Penguin(noun, creature, geohistory, paleocene, danian) |
| Pinnotheridae(noun, creature, geohistory, paleocene, danian) |