The recovery of the faunal happened gradually upward from the bottom of the EoceneZhepure Formation. Except 12 species were survived from the Paleocene, all other 56genera are new types of Eocene and present three recovery stages.

• 始新统遮普惹组底部有孔虫逐渐复苏,除两种为古新世的残存类型外,始新世生物组合全为新的属种,并呈现三个复苏阶段。