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Middle Cambrian |
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Middle Cambrian [′mid·əl ′kam·brē·ən]
(geology) The geologic epoch occurring between Upper and Lower Cambrian, beginning approximately 540,000,000 years ago. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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