| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Devonian | Carboniferous | Romania | Givulescu,R. Fossil flora of Romania. (3rd Supplement) | 1978 |
| original | Devonian | USSR(Bashkir ASSR) | Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir | 1959 |