| Helix(noun, creature, geohistory, appearance, eocene) |
| Ictalurus(noun, creature, geohistory, appearance, eocene) |
| Inversiulidae(noun, creature, geohistory, appearance, eocene) |
| Megabat(noun, creature, geohistory, appearance, eocene) |
| Mercenaria(noun, creature, geohistory, appearance, eocene) |
| Metacarcinus(noun, creature, geohistory, appearance, eocene) |
| Mongoose(noun, creature, geohistory, appearance, eocene) |
| Muscicapoidea(noun, creature, geohistory, appearance, eocene) |
| Nephrops(noun, creature, geohistory, appearance, eocene) |
| Notoplax(noun, creature, geohistory, appearance, eocene) |
| Oregonia(noun, creature, geohistory, appearance, eocene) |
| Passeroidea(noun, creature, geohistory, appearance, eocene) |
| Paucituberculata(noun, creature, geohistory, appearance, eocene) |
| Phiomorpha(noun, creature, geohistory, appearance, eocene) |
| Pimelodidae(noun, creature, geohistory, appearance, eocene) |
| Protoma(noun, creature, geohistory, appearance, eocene) |
| Pupfish(noun, creature, geohistory, appearance, eocene) |
| Rhabdammina(noun, creature, geohistory, appearance, eocene) |
| Rhinochimaeridae(noun, creature, geohistory, appearance, eocene) |
| Sciaenidae(noun, creature, geohistory, appearance, eocene) |