The Virtual Petrified Wood Museum. Dedicated to the Exhibition and Educational Study of Permineralized Plant Material
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Permian: 299-251 Million Years Ago
Gallery: Brazil, South America
Psaronius
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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