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Permian:
299-251 Million Years Ago
Gallery:
Brazil, South America
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Tree
Fern
Psaronius
brasiliensis
Bieland,
Maranhao Province, Brazil
Pedra de Fogo Formation
Permian
15 cm x 14.5 cm |
Below
one can see a close-up of the central vascular cylinder and
the root mantle. The somewhat c-shaped vascular tissue in
the center may be a leaf trace. |
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