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Compared to the slightly more ancient ankylosaurid Euoplocephalus
the Berlin specimen remains the best preserved Archaeopteryx of those so far discovered
Such abnormalities (pathologies) are not limited to modern or living animals and are also found in the fossil record
These great specimens will be presented for sale in our webpages and at select shows
Dipterocarpus Authentic Petrified Wood, Indonesia Iguanodon Compared to the slightly morePetrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization. All of the organic matter becomes replaced by minerals, while much of the original structure such as tree rings in retained. For this to happen the wood needs to be buried in an environment both low in oxygen (preventing decomposition) and with flowing, mineral laden water. The coloration is due to the various minerals that