Fern of Arizona A very unique petrified wood Late Triassic
A very unique petrified wood of Arizona: a stem of a tree Fern, New Fern that many well-known American Paleobotanicals are certains IT HAS NEVER DESCRIBED AND THAT IT IS A NEW FERN'S SPECIE from Chinle Formation of Late Triassic Area of Holbrook - Arizona MM. 210 x 110 x 110 KG. 1,50 A new and important specimen as ferns of Arizona are really rare, a very important scientific value. Museum specimen and for academic collectors. The piece is well preserved, neither touché, polished nor cleaned. A present that my father received in the from an American friend. The piece is in Brescia - Italy Ph. +