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What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago

All land vertebrates are known as tetrapods, from the Greek words for "four legs."
What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
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What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
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