| details |
Oligocene |
Recent |
Nd |
Muller,J. Palynological evidence on Early differentiation of angiosperms. |
1970 |
| details |
Middle Eocene |
Late Eocene |
Panama |
Graham,A. Lisianthius pollen from the Eocene of Panama |
1984 |
| details |
Early Eocene |
Middle Eocene |
Panama |
Graham,A. Paleofloristic and paleoclimatic changes in the Tertiary of northern Latin America |
1989 |
| details |
Eocene |
|
Panama |
Graham,A. Contribution toward a Tertiary palynostratigraphy for Jamaica; The status of Tertiary paleobotanical studies in northern Latin America and preliminary analysis of the Guys Hill Member (Chapelton Formation, Middle Eocene) of Jamaica. (In: Biostratigraphy of Jamaica. R.M. Wright and E. Robinson, editors) |
1993 |