| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Early Devonian | Middle Devonian | Spitsbergen | Allen,K.C. Further information on the Lower and Middle Devonian spores from Dickson Land, Spitsbergen. | 1973 |
| details | Emsian | Norway | Allen,K.C. Devonian spores from Outer Troendelag, Norway. | 1976 | |
| details | Siegenian | Norway | Allen,K.C. Devonian spores from Outer Troendelag, Norway. | 1976 |