Maastricht | Northumberland formation (?Campan – Maastricht) |
Campan | Northumberland formation (?Campan – Maastricht) |
Kambrium stage 10 | Mistaya formation (Jiangshanian – Kambrium stage 10) |
Jiangshanian | Mistaya formation (Jiangshanian – Kambrium stage 10) Bison Creek formation Lyell formation (Paibian – Jiangshanian) |
Paibian | Lyell formation (Paibian – Jiangshanian) Tanglefoot Creek formation |
Guzhangian | Sullivan formation Waterfowl formation Pika formation (Drum – Guzhangian) |
Drum | Pika formation (Drum – Guzhangian) |
Wuliuan | Stephen formation Cathedral formation Mount Whyte formation Naiset formation |
Kambrium stage 4 | Eager formation |