 paleozoic_era |
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| 1. | [ noun ] (geology) from 230 million to about 544 million years ago | |
| Synonyms: | Paleozoic | |
| Related terms: | era Permian Silurian Ordovician Cambrian Devonian Carboniferous | |
| paleozoic_era |
||
| 1. | [ noun ] (geology) from 230 million to about 544 million years ago | |
| Synonyms: | Paleozoic | |
| Related terms: | era Permian Silurian Ordovician Cambrian Devonian Carboniferous | |
