| Era | Period | Date Range |
| Cenozoic Era | |
| Cenozoic Era | |
| Cenozoic Era | |
| Mesozoic Era | |
| Mesozoic Era | |
| Mesozoic Era | |
| Paleozoic Era | |
| Paleozoic Era | |
| Paleozoic Era | |
| Paleozoic Era | |
| Paleozoic Era | |
| Paleozoic Era | |
| If you have successfully answered every question, including every BONUS answer, then type 'OWNED' to become a Geological Champion!!! | |
| Name an epoch from the Quaternary Period? | |
| Holocene or Pleistocene | |
| Name an epoch from the Neogene Period? | |
| Pliocene or Miocene | |
| Name an epoch from the Paleogene Period? | |
| Oligocene, Eocene or Paleocene | |
| Name an age from the Cretaceous Period? | |
| Maastrichtian, Campanian, Santonian, Turonian, Cenomanian, Albian, Aptian, Barremian, Hauterivian, Valanginian or Berriasian | |
| Name an age from the Jurassic Period? | |
| Tithonian, Kimmeridgian, Oxfordian, Callovian, Bathonian, Bajocian, Aalenian, Toarcian, Pliensbachian, Sinemurian or Hettangian | |
| Name an age from the Triassic Period? | |
| Rhaetian, Norian, Carnian, Ladinian, Anisian, Olenekian or Induan | |
| Name an epoch from the Permian Period? | |
| Lopingian, Guadalupian or Cisuralian | |
| Name an age from the Carboniferous Period? | |
| Gzelian, Kasimovian, Moscovian, Bashkirian, Serpukhovian, Visean or Tournaisian | |
| Name an age from the Devonian Period? | |
| Fammenian, Frasnian, Givetian, Eifelian, Emsian, Praghian or Lockhovian | |
| Name an epoch from the Silurian Period? | |
| Pridolian, Ludlovian, Wenlockian or Llandoverian | |
| Name an age from the Ordovician Period? | |
| Hirnantian, Katian, Sandbian, Darriwilian, Dapingian, Floian or Tremadocian | |
| The Cambrian period is still awaiting ratified definitions from the ICS :-( | |