| details |
Late Devonian |
|
W.Germany(Rhineland) |
Riegel,W. Phytoplankton from the Upper Emsian and Eifelian of the Rhineland, Germany --a preliminary report. |
1974 |
| details |
Emsian |
Famennian |
USA |
Wood,G.D. The paleogeographic, paleoecologic and stratigraphic significance of acritarchs Umbellasphaeridium saharicum and Umbellasphaeridium deflandrei |
1979 |
| details |
Westphalian D |
|
Texas |
Felix,C.J. et al. An anomalous Texas palynology association |
1986 |
| details |
Early Frasnian |
|
Texas |
Barker,G.W. et al. Microplankton and spores from the Woodford Shale (Devonian) of the Tobosa Basin, southeast New Mexico-southwestern Texas, USA. |
1988 |
| details |
Devonian |
|
South America |
Nautiyal,A.C. The paleogeographic distribution of Devonian acritarchs and biofacies belts. |
1977 |
| details |
Late Famennian |
Tournaisian |
Portugal |
Pereira,Z. et al. Palynostratigraphy of the Devonian-Carboniferous boundary in Southwest Portugal. (In: Stratigraphie du Paleozoique. M.Streel, editor) |
1996 |
| details |
Frasnian |
|
Peru |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Emsian |
Famennian |
Peru |
Wood,G.D. The paleogeographic, paleoecologic and stratigraphic significance of acritarchs Umbellasphaeridium saharicum and Umbellasphaeridium deflandrei |
1979 |
| details |
Famennian |
|
Paraguay |
PŠ¶the de Baldis,E.D. Acritarchs and chitinozoans from the Late Devonian of Paraguay. |
1978 |
| details |
Famennian |
|
Ohio |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |
| details |
Senecan |
Chautauquan |
New York |
Wood,G.D. Palynology and paleobotany of the Jave and Lowermost Canadaway Formations, Upper Devonian, (Senecan/Chautauquan ), New York State. |
1978 |
| details |
Early Paleozoic |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| original |
Nd |
|
Nd |
Colbath,G.K. Devonian, (Givetian-Frasnian) organic-walled phytoplankton from the Limestone Billy Hills, Reef complex, Canning Basin, Western Australia. |
1990 |
| details |
Nd |
|
Nd |
Ottone,E.G. Palynology of Upper Carboniferous strata from Mina Esperanza, Paganzo Basin, Argentina. |
1991 |
| details |
Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Frasnian |
Famennian |
Nd |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Tournaisian |
|
Michigan |
Wood,G.D. A stratigraphic, paleoecologic and paleobiogeographic review of the acritarchs Umbellasphaeridium deflandrei and Umbellasphaeridium saharicum. (In: Biostratigraphy. P.K.Sutherland and W.L.Manger, editors) |
1984 |