| original |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spores and pollen of Lower Carboniferous deposits of the Western extension of the Donetz Basin and their values for stratigraphy. |
1956 |
| details |
Late Visean |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Permian |
|
China(Shensi) |
Zhu,H.-C. Discovery of Permo-Carboniferous miospores in Liulin County of Shanxi, China, with discussion on studies of carbonized miospores. |
1993 |