| details |
Late Albian |
Early Turonian |
Angola |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Late Albian |
Turonian |
Sudan |
Schrank,E. Nonmarine Cretaceous palynology of northern Kordofan, Sudan, with notes on fossil Salvinials (water ferns). |
1994 |
| details |
Turonian |
Maestrichtian |
Sudan |
Christopher,R.A. et al. Introduction to biostratigraphy and time scales. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |