| Delphinoidea(noun, creature, geogistory, oligocene) |
| Desmostylus(noun, creature, geohistory, chattian) |
| Diatomyidae(noun, creature, geohistory, rupelian) |
| Diceratherium(noun, creature, geohistory, chattian) |
| Diprotodontidae(noun, creature, geohistory, chattian) |
| Elachorbis(noun, creature, geogistory, oligocene) |
| Enaliarctos(noun, creature, geohistory, chattian) |
| Enhydrocyon basilatus(expression, creature, geohistory, chattian) |
| Eocardiidae(noun, creature, geohistory, chattian) |
| Eomysticetidae(noun, creature, geohistory, chattian) |
| Eporeodon(noun, creature, geohistory, chattian) |
| Flying squirrel(expression, creature, geohistory, rupelian) |
| Gadidae(noun, creature, geogistory, oligocene) |
| Ground squirrel(expression, creature, geohistory, rupelian) |
| Gryposuchinae(noun, creature, geohistory, chattian) |
| Gull(noun, creature, geohistory, rupelian) |
| Gundi(noun, creature, geohistory, rupelian) |
| Helix(noun, creature, geogistory, oligocene) |
| Hemerocoetes(noun, creature, geohistory, rupelian) |
| Hemicyoninae(noun, creature, geohistory, chattian) |