Quercoidites - Saliaxipollenites- Fraxinoipollenits assemblage, which may belong to Late Eocene-Early Oligocene.

栎粉属-柳粉属-粉属组合，属晚始新世-早渐新世。

youdao

Quercoidites - Saliaxipollenites- Fraxinoipollenits assemblage, which may belong to Late Eocene-Early Oligocene.

栎粉属-柳粉属-粉属组合，属晚始新世-早渐新世。

youdao