| Extant Ypresian first appearance(expression, geohistory, appearance, eocene, period) |
| bartonian first appearance(expression, geohistory, eocene, period, lutetian) |
| eocene first appearance(expression, geohistory, eocene, period, lutetian) |
| extant oligocene first appearance(expression, geohistory, eocene, period) |
| extant paleocene first appearance(expression, geohistory, eocene, period) |
| extant paleogene first appearance(expression, appearance, eocene, period) |
| extant rupelian first appearance(expression, geohistory, appearance, period) |
| priabonian first appearance(expression, geohistory, eocene, period, lutetian) |
| ypresian first appearance(expression, geohistory, eocene, period, lutetian) |
| Accipitridae(noun, creature, geohistory, ypresian) |
| Adelotus(noun, creature, geohistory, chattian) |
| Anatidae(noun, creature, geohistory, rupelian) |
| Andrewsarchus(noun, creature, geohistory, lutetian) |
| Ape(noun, creature, geohistory, chattian) |
| Argyripnus(noun, creature, geohistory, chattian) |
| Armadillo(noun, creature, geohistory, thanetian) |
| Basking shark(expression, creature, geohistory, rupelian) |
| Bat(noun, creature, geohistory, ypresian) |
| Batrachoididae(noun, creature, geohistory, rupelian) |
| Buccinum undatum(expression, creature, geohistory, rupelian) |