Cambrian (geology)
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Cambrian (System and Period)
The Cambrian refers to a chronostatrigraphic or a geochronological unit of geological measure. The Cambrian is roughly the period between 543 to 490 million years ago in the Paleozoic Era of the Phanerozoic Eon, it encompasses four chronostatrigraphic series and ten epochs and correspondingly, four geochronological stages and ten ages.
| Erathem/Era | System/Period | Series/Epoch | Stage/Age |
|---|---|---|---|
| Paleozoic | Cambrian | Furongian | Unnamed |
| Unnamed | |||
| Paibian | |||
| Unnamed | Unnamed | ||
| Drumian | |||
| Unnamed | |||
| Unnamed | Unnamed | ||
| Unnamed | |||
| Unnamed | Unnamed | ||
| Unnamed |