Araucaria mirabilis (Spegazzini)
A 3D silicified pine cone, cut and polished to show the internal structure. The specimen is from the famous (Volcanic) Pine Beds locality in Patagonia, South America.
Early Cretaceous, Cerro Alto Formation
Windhausen, Cerro Quadrado, Patagonia, Argentina, South America
Specimen 5cm x 4.cm