original |
Middle Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Atlas of microspores and pollen of the Middle Carboniferous Period in the western part of the Donets Basin. |
1952 |
details |
Nd |
|
Nd |
DybovЎ,S. et al. Microspores of the Upper Silesian Coal Measures. |
1957 |
details |
Namurian |
|
Poland |
Jachowicz,A. New data concerning the occurence of microspores and pollen grains in the Namurian deposits of the north-eastern part of the Upper Silesian Coal Basin. |
1964 |
details |
Westphalian A |
Westphalian C |
USSR(Rostov) |
Egorov,A.I. et al. Spores and pollen of Middle Carboniferous deposits of the Don Basin. |
1971 |
details |
Givetian |
|
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |