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5 million years ago in Africa
it probably fed on small fish and insects
While it had a distinctive armored bull-like head and a more primitive braincase
Our artists captured every detail of this attention-demanding beast
well defined head and a circlet of eight or more arms
Selenite, 28 specimens per flat Deinonychus 5 million years ago in28 Specimens of Argonite Per Flat In 2x2 Inch Boxes. Selenite is a form of the mineral Gypsum (Hydrated Calcium Sulfate CaSO4 2(H2O). These crystals of Selenite are of a rare needle like variety. Some Selenite crystals are up to 50 feet long. Gypsum is one of the more common minerals in sedimentary environments. It is a major rock forming mineral that produces massive beds, usually from precipitation out of highly saline waters. Since it forms easily
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