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The insect is over 2 cm
Barosaurus
This specimen is complete concretion containing multiple macroconch forms of H
Two sets (four rows) of tubercles are found on each whorl and the two sets are separated by a spiral band
Plecia pealei (Scudder)
Triassic Petrified Wood P-APW-17-001 Jurassic The insect is over 2cf. Araucarioxylon arizonicum Chinle Formation (Late Triassic) Petrified Forest Member Navajo County, Arizona Here is a unique polished slab of the petrified wood cf. Araucarioxylon. The slab is 23 by 17 inches and has excellent preserved detail. The remarkable feature of this slab is the striking red fortification agate in the center. It appears that the fossil wood was silicified but had a void in the center that later was filled with a brilliant