| Country | China |
| Province | Henan |
| Age | Late middle Miocene / Guantao Fm |
| References | Zhang, S.B., Shen, H., Qu, X., Gao, Q., 1993. Tertiary in petroliferous regions of China. The Hubei-Henan-Anhui region, vol. V. Petroleum Industry Press, Beijing, pp. 1-296. (In Chinese.) |
| Sum of all taxa | 62.90 |
| Sum of zonal taxa | 45.05 |
| Sum of zonal woody angiosperms | 21.73 |
| Sum of % SCL + LEG | 10.77 |
| Sum of % D-HERB + M-HERB (ZONAL HERB) | 15.14 |