| details |
Frasnian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Spore and pollen assemblages of the Upper Devonian Ogrskiy Suite of Lativia. |
1955 |
| original |
Frasnian |
|
USSR(Latvian SSR) |
Ozolina,V.R. The spore-pollen Spectrum of Frasnian Stage deposits in the Alanda borehole. |
1961 |
| original |
Tournaisian |
|
Belgium |
Stockmans,F. et al. Hystrichospheres of the Belgium Devonian (Drilling at the Asylum for the demented at Tournai). |
1962 |
| details |
Early Frasnian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Spore-pollen spectrum of Frasnian age of Upper Devonian, Latvian SSR. |
1963 |
| details |
Frasnian |
|
Belgium |
Tsien,H.H. et al. The Frasnian of the Tailfer cutting. |
1973 |
| details |
Late Frasnian |
Early Famennian |
Belgium |
Kimpe,K.F.M. et al. Paleozoic deposits East of the Brabant Massif in Belgium and the Netherlands. |
1978 |
| details |
Late Frasnian |
Early Famennian |
Netherlands |
Kimpe,K.F.M. et al. Paleozoic deposits East of the Brabant Massif in Belgium and the Netherlands. |
1978 |
| details |
Nd |
|
Nd |
Le H©riss©,A. et al. Acritarches and Prasinophyte (Late Givetian-Middle Frasnian) of Ferques (Boulonnais, France). (In: The Devonian of Ferques Lower Boulonnais, (Northern France). D.Brice, editor) |
1988 |
| details |
Frasnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Frasnian |
|
USSR(Latvian SSR) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |