| details |
Early Carboniferous |
|
USSR(Moscow Basin) |
Hughes,N.F. Fossil evidence and angiosperm ancestry. |
1961 |
| details |
Early Carboniferous |
|
USSR(Moscow) |
Geel,B.Van et al. Green and Blue-Green algae. 7A -Spores of Zygnemata. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| original |
Early Carboniferous |
|
USSR |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |
| details |
Early Artinskian |
|
India(Madhya Pradesh) |
Trivedi,B.S. et al. Palynology of Pench-Kanhan Valley Coalfield (Lower Gondwana) Madhya Pradesh, India: With reference to its age. |
1979 |
| details |
Early Artinskian |
|
India(Madhya Pradesh) |
Trivedi,B.S. et al. Miospore study of Lower Gondwana coal of Madhya-Pradesh, India. |
1977 |
| details |
Coniacian |
|
Alabama |
Leopold,E.B. et al. Studies of Pre-Selma Cretaceous core samples from the outcrop area in Western Alabama. E: A preliminary report on the pollen and spores of The Pre-Selma Upper Cretaceous strata of Western Alabama. |
1964 |
| details |
Carboniferous |
Recent |
Nd |
Geel,B.Van. et al. Preliminary report on the history of Zygenemataceae and the use of their spores as ecological markers |
1979 |
| details |
Carboniferous |
Quaternary |
Nd |
Geel,B.Van et al. Green and Blue-Green algae. 7A -Spores of Zygnemata. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Artinskian |
Kungurian |
|
Picarelli,A.T. et al. Some considerations on the paleoecology and palynology of the Late Carboniferous of Santa Terezinha Brazil-Permian of the Parana Basin. (In: Late Paleozoic of South America, Project #211- UIGS) |
1987 |