| extant eocene first appearance(expression, geohistory, appearance, paleocene) |
| extant oligocene first appearance(expression, geohistory, appearance, paleocene) |
| extant paleogene first appearance(expression, geohistory, period, paleocene) |
| Cynarctoides roii(expression, creature, geohistory, rupelian) |
| Maximucinus muirheadae(expression, creature, geohistory, rupelian) |
| Osbornodon iamonensis(expression, creature, geohistory, rupelian) |
| Paraenhydrocyon josephi(expression, creature, geohistory, rupelian) |
| Accipitridae(noun, creature, geohistory, ypresian) |
| Accipitriformes(noun, creature, geohistory, lutetian) |
| Adelotus(noun, creature, geohistory, chattian) |
| Adilophontes(noun, creature, geohistory, rupelian) |
| Agroecomyrmecinae(noun, creature, geohistory, lutetian) |
| Amblyoponinae(noun, creature, geohistory, lutetian) |
| Ape(noun, creature, geohistory, chattian) |
| Archaeus(noun, creature, geohistory, thanetian) |
| Argyripnus(noun, creature, geohistory, chattian) |
| Bat(noun, creature, geohistory, ypresian) |
| Behemotops(noun, creature, geohistory, rupelian) |
| Butterfly(noun, creature, geohistory, lutetian) |
| Camelid(noun, creature, geohistory, lutetian) |