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a官网体育狗万

时间:2021-03-08

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网体万From the ashes, the oldest controlled fire | Science News育狗And the coincidence between the age of the fossil and a major pulse of volcanic activity in the region is intriguing, he adds.网体万But, he says, “I’d like to see a bit more evidence before scaling this up to a global event” that led to shifts in both plant and dinosaur evolution.育狗Although this is the earliest true sauropod fossil yet found, the lineage of sauropods is thought to go back another 40 million years, into the Late Triassic, based on analyses of the animals’ family tree.。a官网体育狗万。网体万And scientists know very little about how those earlier sauropods might have fed, or even where in the world they may have lived.育狗For example, it’s possible that the first true sauropods lived in places where those climatic and floral changes didn’t occur.网体万For now, though, “the authors provide an interesting new idea that we can test with new discoveries in the future,” Barrett says.

育狗Although this is the earliest true sauropod fossil yet found, the lineage of sauropods is thought to go back another 40 million years, into the Late Triassic, based on analyses of the animals’ family tree.。a官网体育狗万。网体万And scientists know very little about how those earlier sauropods might have fed, or even where in the world they may have lived.

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