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中文名:短肢領航鯨

from another. Paleontologists identify the fossils according to the numbers of teeth and their cranial.....more

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pairs of teeth. In 1997, construction workers unearthed some fossil specimens in the mountain regions.....more

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was ground to the diamond shape. The last teeth in the back of upper and lower jaws had the thickness.....more

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populations exhibit cave-dwelling behaviors. Cave bears have strong jaw bones, long canine teeth and low.....more

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