Trunk disk, unusual shape with preserved tree bark all around.
TITEA SINGULARIS - TREE FERN ....SELTEN !
Beautifully visible LEITBÜNDEL - polished on one side.
The last photo shows the unpolished back.
Place of discovery: Araguano Petrified Forest - NORTH BRAZIL
approx. 275 million years old.
Weight: 680 g
Dimensions: 16 x 14 cm Thickness: up to 3 cm