(geology) The earliest epoch of the Devonian period of geologic time, extending from about 400- to 385,000,000 years ago.
| Sci-Tech Dictionary: Lower Devonian |
(geology) The earliest epoch of the Devonian period of geologic time, extending from about 400- to 385,000,000 years ago.
| 5min Related Video: Lower Devonian |
| Coblentzian (geology) | |
| Helderbergian (geology) | |
| Onychodontidae (paleontology) |
| What was the nickname for the devonian period? Read answer... | |
| How did the devonian period end? Read answer... | |
| What was the atmosphere like in the Devonian period? Read answer... |
| What were the dominant organisms in the Devonian Period? | |
| What were dominate orginisams in devonian? | |
| What was the land like in devonian? |
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