澄江动物群是目前所知早寒武纪海洋生物分异度最大的化石组合。

The Chengjiang Fauna is the most diver se assemblage of Early Cambrian marine fossils known.

youdao

随着海平面的上升，生物在分异度和丰度上的大大增加，构成了台江生物群；

When the sea-level rose, the kind and number of living things began to increase and then constituted the Taijiang biota.

youdao