| NOUN | time | Cambrian period, Cambrian | from 544 million to about 500 million years ago |
|---|
| Meaning | From 544 million to about 500 million years ago; marine invertebrates. | |
|---|---|---|
| Synonym | Cambrian | |
| Instance of | period, geological period | A unit of geological time during which a system of rocks formed |
| Part of | Paleozoic, Paleozoic era | From 544 million to about 230 million years ago |
| Spanish | cámbrico | |
| Catalan | cambrià, cámbrico | |
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