而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。
Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.
而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。
Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.
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