This fauna is associated with Foraminifera, sponge spicules and Brachiopoda et al.

伴生生物有有孔虫、海绵骨针、腕足动物等。

youdao

This fauna is associated with Foraminifera, sponge spicules and Brachiopoda et al.

伴生生物有有孔虫、海绵骨针、腕足动物等。

youdao