original |
Early Devonian |
|
Canada(Ontario) |
McGregor,D.C. Spores and other plant microfossils from selected Devonian sedimentary Formations of Canada |
1957 |
original |
Middle Devonian |
|
USSR(Bryansk) |
Kedo,G.I. New species of spores from the Lower and Middle Devonian of the Western Russian Plain. (In: New Species of Fossil Fauna and Flora of Belorussia.) |
1976 |
details |
Middle Devonian |
Late Devonian |
USSR(Bryansk) |
Kedo,G.I. New species of spores from the Lower and Middle Devonian of the Western Russian Plain. (In: New Species of Fossil Fauna and Flora of Belorussia.) |
1976 |
original |
Visean |
|
China(Fukien) |
Huang,X. Spores from the Zishan Formation of Pijiao Fujian |
1982 |