| Cramauchenia(noun, geohistory, unit, argentina) |
| Crypturellus reai(expression, geohistory, unit, argentina) |
| Cyonasua(noun, geohistory, unit, argentina) |
| Devincenzia(noun, geohistory, unit, argentina) |
| Diadiaphorus(noun, geohistory, unit, argentina) |
| Diaphorocetus(noun, geohistory, unit, argentina) |
| Diplasiotherium(noun, geohistory, unit, argentina) |
| Dolichocebus(noun, geohistory, unit, argentina) |
| Dusicyon cultridens(expression, geohistory, unit, argentina) |
| Eocardia(noun, geohistory, unit, argentina) |
| Eumegamys(noun, geohistory, unit, argentina) |
| Eutatus(noun, geohistory, unit, argentina) |
| Gryposuchus(noun, geohistory, unit, argentina) |
| Guiomys(noun, geohistory, unit, argentina) |
| Hapalops(noun, geohistory, unit, argentina) |
| Heterorhea(noun, geohistory, unit, argentina) |
| Homalodotherium(noun, geohistory, unit, argentina) |
| Homunculus patagonicus(expression, geohistory, unit, argentina) |
| Hydrochoerus(noun, geohistory, unit, argentina) |
| Interatherium(noun, geohistory, unit, argentina) |