| original |
Late Givetian |
|
Belgium |
Stockmans,F. et al. A very large megaspore from the Upper Givetian at Sart-Dame-Avelines |
1969 |
| details |
Early Frasnian |
Middle Frasnian |
Canada(Arctic) |
Whiteley,M.J. Givetian and Frasnian spores from the Key Point Well, Parry Islands, Arctic Canada. |
1980 |
| details |
Late Permian |
|
China |
Yang,J. et al. Nonmarine Triassic stratigraphic units and their boundaries in China. |
1989 |
| details |
Early Jurassic |
Middle Jurassic |
India(Rajasthan) |
Srivastava,S.K. Polospores from Jurassic of Rajasthan, India. |
1963 |
| details |
Late Westphalian B |
|
Belgium |
Pi©rart,P. Stratigraphic distribution of megaspores in the Limbourg-Meuse Coal Basin. comparison with the Limbourg Basin of the Nethrlands |
1964 |
| details |
Westphalian B |
Westphalian D |
France(Nord) |
Loboziak,S. Palynological comparison (megaspores) between the Coal Basins of Nord de la France and La Campine, Belgium. |
1970 |
| details |
Westphalian B |
Westphalian D |
Belgium |
Loboziak,S. Palynological comparison (megaspores) between the Coal Basins of Nord de la France and La Campine, Belgium. |
1970 |
| details |
Westphalian D |
|
England(Worcestershire) |
Spinner,E. Palynological evidence on the age of the Carboniferous Beds of Woodbury Hill, near Abberley, Worcestershire. |
1966 |
| details |
Late Frasnian |
|
Canada(NWT,Franklin) |
Hills,L.V. et al. Upper Devonian megaspores, northeastern Banks Island, NWT. |
1971 |
| details |
Nd |
|
England(Shropshire) |
Turner,N. et al. A palynological study of the Lower Carboniferous Lydebrook Sandstone and adjacent Late Wenlock and Langsettian Strata, Shropshire, England. |
1995 |
| details |
Late Arnsbergian |
Chokierian |
England(Northumberland) |
Turner,N. et al. Namurian (Arnbergian/Chokierian) megaspore assemblages from Northeast England |
1996 |
| details |
Cantabrian |
|
Illinois |
Thomas,B.A. Upper Carboniferous Herbaceous Lycopsids |
1997 |
| details |
Carboniferous |
|
Nd |
Chaloner,W.G. et al. Heterospory: Cul-de-Sac or pathway to the seed? (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Westphalian B |
|
England(Leicestershire) |
KalibovЎ-KaiserovЎ,M. Introduction to palynological studies from 5th Conference in Cambridge. |
1981 |
| details |
Carboniferous |
|
Nd |
Roselt,G. Palaobotanic and palaobotanical method and geological investigation. |
1972 |
| details |
Kungurian |
Kazanian |
China(Shanxi) |
Wang,Z.-Q et al. Traces of arborescent lycopsids and dieback of the forest vegetation in relation to the terminal Permian mass extinction in North China. |
2001 |
| details |
Late Permian |
|
China |
Yang,J. et al. Nonmarine Triassic stratigraphic units and their boundaries in China. |
1989 |