Carboniferous period was the age of frogs and ferns. This period extends from 360 mya to 300 mya. (The UB says it ends 180 mya.)
Lepidodendron.
Lepidodendron.
Late Carboniferous
(Pennsylvanian) period. blunt leaves.
Reconstruction. 
| P.682 - §3 180,000,000 years ago brought the close of the Carboniferous period, during which coal had been formed all over the world--in Europe, India, China, North Africa, and the Americas. At the close of the coal-formation period North America east of the Mississippi valley rose, and most of this section has ever since remained above the sea. This land-elevation period marks the beginning of the modern mountains of North America, both in the Appalachian regions and in the west. Volcanoes were active in Alaska and California and in the mountain-forming regions of Europe and Asia. Eastern America and western Europe were connected by the continent of Greenland. | |
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Carboniferous period was the age of frogs and ferns. This period extends from 360 mya to 300 mya. (The UB says it ends 180 mya.)
Lepidodendron. |
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Lepidodendron.
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Stigmaria, root of lepidodendron. |
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Late Carboniferous
(Pennsylvanian) period. blunt leaves. |
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Reconstruction. |
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Lepidodendron. |
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reconstruction of a lepidodendron |
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Fenestella was a marine animal. |
| More carboniferous fossil pictures from Virtual Fossil Museum | |