Stratigraphy
Paleozoic
Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
| Cambrian | Є | Ca, Cm | chronostratigraphy | System | global | Paleozoic | 538.8 | 485.4 | |||
| Ordovician | O | O | chronostratigraphy | System | global | Paleozoic | 485.4 | 443.8 | Paleozoic | ||
| Silurian | S | chronostratigraphy | System | global | Paleozoic | 443.8 | 419.2 | Paleozoic | |||
| Devonian | D | D | chronostratigraphy | System | global | Paleozoic | 419.2 | 358.9 | Paleozoic | ||
| Carboniferous | C | chronostratigraphy | System | global | Paleozoic | 358.9 | 298.9 | Paleozoic | |||
| Permian | P | chronostratigraphy | System | global | Paleozoic | 298.9 | 251.9 | Paleozoic | |||
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