| details |
Pennsylvanian |
|
West Virginia |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Stephanian |
|
Spain |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Strunian |
|
S.Ireland(Wexford) |
Higgs,K.T. et al. Megaspores from the Uppermost Devonian, (Strunian), of Hook Head, County Wexford, Ireland. |
1982 |
| details |
Early Carboniferous |
|
Poland |
Pi©rart,P. The state of advancement of the systematics of Lageniculate megaspores. |
1978 |
| details |
Westphalian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Preliminary note on revision of Carboniferous megaspores with Gula. Principles of the classification. |
1979 |
| details |
Westphalian B |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Namurian |
Westphalian |
Poland |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Dinantian |
|
Poland |
Jansonius,J. et al. Genera File of fossil spores. Supplement 3 |
1979 |
| details |
Visean |
|
Niger |
Lachkar,G. The Visean age of the Agade Coal Basin, (Niger). II. |
1978 |
| details |
Westphalian B |
Westphalian C |
Netherlands |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Nd |
|
Nd |
Yang,J. et al. Megaspores and their geological significance. |
1985 |
| details |
Nd |
|
Nd |
Pi©rart,P. Position of the advancement of the systematics of Lagenicular megaspores. |
1977 |
| details |
Nd |
|
Nd |
Hemsley,A.R. Teratisms in living and fossil megaspores of the Lycopsidia: The arrangement and exine Ontogeny |
1997 |
| details |
Early Carboniferous |
|
Nd |
Hemsley,A.R. Teratisms in living and fossil megaspores of the Lycopsidia: The arrangement and exine Ontogeny |
1997 |
| details |
Pennsylvanian |
|
Kentucky |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |
| details |
Stephanian |
|
France(Loiret) |
DybovЎ-Jachowiczowa,S. et al. Revision of Carboniferous megaspores with Gula (Part Three) |
1987 |