Permineralized or petrified wood (PRI)3D Model
Fossil specimen of permineralized or petrified wood from the Cretaceous of Seymour Island, Antarctica. Note the growth rings in transverse section. The knot is the site of a branch. Specimen is from the collections of the Paleontological Research Institution, Ithaca, New York. Longest dimension of specimen is approximately 9 cm. Model by Emily Hauf.