RARE Prehistoric Trilobite Fossil Mineral Dinosaur Specimen WHEELER SHALE UTAH
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Hi there. I am selling this really amazing trilobite Ptychopariid fossil. I bought it at a gem show in Arizona and it was found in the Wheeler Shale, Utah. It looks really detailed and interesting. It was one of the more interesting ones that the guy had for sale. I hope it finds a good home out there.This is called a thumbnail specimen, or sometime people call a 'perkie'.Small specimens like this are a superb way to have a huge collection of minerals with major variety, without taking up an entire room full of space. They are literally perfect. This little fella weighs 3.9 carats which is 0.80 grams and the measurements are 13 mm by 10 mm by 4 mm. Here is some information about the fossils from Wikipedia. Enjoy, and .Trilobites ("three-lobes") are extinct arthropods that form the class Trilobita. They appeared in the Middle Cambrian epoch and flourished throughout the lower Paleozoic era before beginning a drawn-out decline to extinction when, during the Late Devonian extinction, all trilobite orders, with the sole exception of Proetida, died out. The last of the trilobites disappeared in the mass extinction at the end of the Permian about 250 million years ago (m.y.a.).Trilobites are very well-known, and possibly the second-most famous fossil group, after the dinosaurs. When trilobites appear in the fossil record of the Lower
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