Either way, the Paleozoic Era continued to be dominated by the crinoids and other echinoderms.

无论哪种方式，古生代继续由海百合和其他棘皮动物统治。

But the fact is: the Paleozoic Era was truly a make it or break it time for life on Earth.

古生代确实 是地球上生命的成败时刻。