| danian first appearance(expression, geohistory, appearance, period, paleocene) |
| Extant Eocene first appearance(expression, geohistory, appearance, period, paleogene) |
| Selandian first appearance(expression, geohistory, appearance, period, paleocene) |
| Thanetian first appearance(expression, geohistory, appearance, period, paleocene) |
| Extant Chattian first appearance(expression, appearance, eocene, geogistory, period) |
| Extant Lutetian first appearance(expression, geohistory, eocene, period) |
| Extant Oligocene first appearance(expression, geohistory, appearance, period) |
| Extant Rupelian first appearance(expression, appearance, eocene, geogistory, period) |
| Extant Ypresian first appearance(expression, geohistory, eocene, period) |
| eocene first appearance(expression, geohistory, appearance, period, paleocene) |
| extant paleogene first appearance(expression, geohistory, period, paleocene) |
| oligocene first appearance(expression, geohistory, period, paleocene, paleogene) |
| paleogene first appearance(expression, appearance, period, paleocene) |
| Alagomyidae(noun, creature, geohistory, paleocene) |
| Anaptomorphinae(noun, creature, geohistory, paleocene) |
| Archaeohyracidae(noun, creature, geohistory, paleocene) |
| Arctostylopida(noun, creature, geohistory, paleocene) |
| Astrapotheria(noun, creature, geohistory, paleocene) |
| Aturia(noun, creature, geohistory, paleocene) |
| Bemalambdidae(noun, creature, geohistory, paleocene) |