| original |
Miocene |
|
Texas |
Ebtehadj,K. Palynology of the subsurface Frio Formation, in Liberty and Chambers Counties, Texas. |
1969 |
| original |
Early Miocene |
|
Mexico(Tamaulipas) |
Salas,E. Illustrated catalogue of fossil palynomorphs from the Republic of Mexico. |
1975 |
| original |
Late Eocene |
|
China(Szechwan) |
Zhang,Y. et al. Late Cretaceous and Early Tertiary Spores and pollen from the Western Tarim Basin, southern Xinjiang, China. |
1991 |
| original |
Late Miocene |
|
Argentina(Salta) |
Anzгtegui,L.M. et al. Palynology of the Palo Pintado Formation, Late Miocene, Salta Provincia, Republic of Argentina Part 1: New taxonomy. |
1996 |