| 1. | Ferns first appear in the fossil record in the early Carboniferous period.
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| 2. | Garnett is famous for its fossil finds from the late Carboniferous period.
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| 3. | In Brazil leucitophyres have been found which belong to the Carboniferous period.
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| 4. | "' Symmoriidae "'is an extinct family of ratfish from the Carboniferous period.
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| 5. | There are underlying coal reserves, most likely deposited in the Carboniferous Period.
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| 6. | The sea remained in place during the early part of the Carboniferous period.
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| 7. | Geologically, the region is defined by coal-bearing layers from the upper Carboniferous period.
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| 8. | They are found in Carboniferous period, such as " Graeophonus ".
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| 9. | It is part of the Early Pennsylvanian / Upper Carboniferous period.
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| 10. | Full-fledged reptiles appeared in the Carboniferous Period ( 345 to 280 Ma ).
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