link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
---|---|---|---|---|---|
details | Westphalian B | Netherlands | Dijkstra,S.J. Correlation of Coal Seams by megaspores | 1955 | |
details | Carboniferous | Michigan | Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance | 1962 |