| details |
Late Miocene |
|
Mexico(Veracruz) |
Graham,A. Mortoniodendron (Tiliaceae) and Sphaeropteris / Trichipteris (Cyatheaceae) in Cenozoic Deposits of the Gulf-Caribbean Region. |
1979 |
| details |
Eocene |
Oligocene |
Mexico(Chiapas) |
Ortiz,A.C.T. et al. Palynological study in the Simojovel Syncline and Esperanza Anticline, Simojovel, Chiapas, Mexico. |
1980 |
| details |
Miocene |
Pliocene |
Mexico |
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 |
| details |
Nd |
|
Nd |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |