海盆区粘土沉积物中的放射虫化石丰度高且分异度高。
The abundance and diversity of radiolaria fossils are high in the clay of basin.
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.
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.
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