| details |
Late Cretaceous |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Spore and pollen complexes of Mesozoic Layers of the northern part of the Turgayskaya Basin |
1956 |
| details |
Permian |
|
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Pollen and spores of the Permian of the Don Basin |
1955 |
| details |
Carboniferous |
|
Nd |
Potonie,R. The biology of Carboniferous spores |
1955 |
| details |
Middle Chesterian |
Middle Desmoinesian |
North America |
Hoffmeister,W.S. et al. Geologic range of Paleozoic plant spores in North America |
1955 |
| details |
Recent |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Westphalian A |
|
W.Germany(N.Rhine) |
Potonie,R. et al. The genera of Paleozoic sporae dispersae and their stratigraphy. |
1954 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Early Cambrian |
|
USSR(Moldavian SSR) |
Timofeev,B.V. Lower Palaeozoic sediments in Moldavia |
1952 |
| details |
Jurassic |
|
USSR(Kazakh SSR) |
Barbashinova,V.N. Micropaleobotanical remains in Mesozoic and Cenozoic deposits of Turgay. |
1951 |
| details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |