Guairea Carnieri, x4
This extinct family of ferns that ranges from the Permian to the Triassic period. Of note in this well preserved specimen, on the right the small circular objects are the root mantle, and in the upper left is the pith showing the vascular ring. The horseshoe shaped objects are leaf traces.
Photographed for an upcoming book.
EQUIPMENT / TECHNIQUE
Macro lens & extension tubes, fiber optic light