| Time Scale | Student 1 | Student 2 | Student 3 |
|---|---|---|---|
| Cambrian | Ceratopsians | Columbia | Campbell's |
| Ordovician | Often | Offers | Onion |
| Silurian | Sit | Several | Soup |
| Devonian | Down | Different | Destroys |
| Carboniferous * | Creakily | Classes | My-Private |
| Permian | Perhaps | Pertaining | Parts |
| Triassic | Their | To | |
| Jurassic | Joints | Judeo- | |
| Cretaceous | Cramp | Christian | |
| Tertiary | Terribly | Theological | |
| Quaternary | Quickly | Questions |
* The Carboniferous Period is often divided into
Mississippian and Pennsylvanian.