link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
---|---|---|---|---|---|
original | Stephanian | France(Jura) | Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. | 1958 | |
original | Autunian | France | Alpern,B. et al. Description of some microspores of the French Permo-Carboniferous. | 1958 |