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The generic name is Latin for "paired horns"
Pseudofossils
Starfish have remained relatively unchanged throughout their 500-million-year history
A primitive chordate from the Burgess Shale
Due to the sheer quantity of teeth produced over the eons by sharks
Stegosaurus Dorsal Plate Protoceratops The generic name is LatinNamed Stegosaurus, or "roof lizard" for it's large, flat dorsal plates, this herbivorous dinosaur is a classic favorite. Scientists debate the purpose of those trademark plates, but many suggest they were used to regulate heat. Filled with blood vessels, the plates could quickly warm the big plant eater when faced towards the sun. Stegosaurus sp. Late Jurassic (150 m. y. a.) Morrison Formation Cleveland Lloyd Quarry, Utah Shipping Included
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