The ocean basin became more narrow in early Late Paleozoic, which last several millions years.

晚古生代早期的洋盆较狭窄，生存时间为数千万年。

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The ocean basin became more narrow in early Late Paleozoic, which last several millions years.

晚古生代早期的洋盆较狭窄，生存时间为数千万年。

youdao