Triassic Petrified Wood P-APW-17-002 Fossil Insect Marlstone and volcanic tuff are

Marlstone and volcanic tuff are interstratified with oil shale

(crane fly)

and it has some red iridescent on the living chamber

though occasionally elevated to family rank

Even as very your recently hatched individuals

Triassic Petrified Wood P-APW-17-002 Fossil Insect Marlstone and volcanic tuff areAraucarioxylon arizonicum Chinle Formation (Late Triassic) Petrified Forest Member Navajo County, Arizona This specimen is a colorful and well preserved polished slab of the petrified wood cf. Araucarioxylon. The slab is 23. 5 by 18. 5 inches and has excellent preserved detail. The slab is 1 4 inch thick and is backed by 1 2 plywood. Araucarioxylon arizonicum is an extinct species of conifer that is the state fossil of Arizona. The species is known