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clearly defined cephalon (head shield)
offering critical insights into the evolution
which decomposes after death and is rarely preserved in fossils
suggesting that the animal had good eyesight and was capable of binocular vision
XL 59MM Polished Chrysocolla And Malachite Mineral Sphere Peru Aidachar pankowskii clearly defined cephalon (head shield)Location: Peru Weight: 10. 4 Ounces Dimensions: 59MM The item pictured is the one you will receive. Chrysocolla is a mineral that is commonly found in Peru. It is a hydrated copper silicate mineral in the phyllosilicate group. The name "chrysocolla" is derived from the Greek words "chrysos," meaning gold, and "kolla," meaning glue, referring to its bright blue green color and its use as a soldering agent in ancient times. Chrysocolla is known for its
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