| Bartonian first appearance(expression, geohistory, eocene, period, appearence) |
| Extant Eocene first appearance(expression, geohistory, eocene, period, appearence) |
| Priabonian first appearance(expression, geohistory, eocene, period, appearence) |
| Ypresian first appearance(expression, geohistory, eocene, period, appearence) |
| Extant Ypresian first appearance(expression, geohistory, eocene, period, ypresian) |
| paleogene first appearance(expression, eocene, period, appearence) |
| Atlanta(noun, creature, geohistory, eocene, bartonian) |
| Auk(noun, creature, geohistory, eocene, priabonian) |
| Cactus(noun, creature, geohistory, eocene, priabonian) |
| Canidae(noun, creature, geohistory, eocene, bartonian) |
| Colugo(noun, creature, geohistory, eocene, priabonian) |
| Cuckoo(noun, creature, geohistory, eocene, priabonian) |
| Geometer moth(expression, creature, geohistory, eocene, priabonian) |
| Geometridae(noun, creature, geohistory, eocene, priabonian) |
| Loon(noun, creature, geohistory, eocene, priabonian) |
| Mitsukurina(noun, creature, geohistory, eocene, bartonian) |
| Negaprion(noun, creature, geohistory, eocene, bartonian) |
| Old World silverside(expression, creature, geohistory, eocene, bartonian) |
| Pan-Alcidae(noun, creature, geohistory, eocene, priabonian) |
| Pauropoda(noun, creature, geohistory, eocene, bartonian) |