1.The metazoan zooplankton species were mainly composed of eurythermal ones and only a few thermophil ones were also found.
星湖的后生浮游动基本上为广温种,一些嗜暖种。
2.Not only most metazoan phyla made their debut at the earliest Cambrian, but also the fossil record like calcareous metaphyte flora and acritarch change dramatically nearly at the same time.