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Arandaspis was an early jawless vertebrate (an arandaspid) from the Ordovician Period, living roughly 480 to 470 million years ago. Reaching about 15 cm (6 in) in length, it had bony armor covering the head and front part of the body, with a more weakly known tail region. It likely lived close to the seafloor and probably fed on small food particles or organisms taken in through its jawless mouth, although this feeding style is inferred from its anatomy rather than directly preserved evidence. I
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Arandaspis was an early jawless vertebrate (an arandaspid) from the Ordovician Period, living roughly 480 to 470 million years ago. Reaching about 15 cm (6 in) in length, it had bony armor covering the head and front part of the body, with a more weakly known tail region. It likely lived close to the seafloor and probably fed on small food particles or organisms taken in through its jawless mouth, although this feeding style is inferred from its anatomy rather than directly preserved evidence. I
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(Redo! Cuz I beefed something up!) Why not visit the Ordovician period? The Ordovician period began about 486 mya, at the end of the Cambrian. While the Cambrian critters are a hard show to follow, fossil evidence tells us that life on earth diversified even more than during the cambrian explosion! Unfortunately, it all came crashing down, as the end of Ordovician is marked by one of the first of the 5 big mass extinctions. The event was even more deadly than the one that killed non-avian dinosa
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