| details |
Middle Famennian |
Late Famennian |
Ohio |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| original |
Early Cambrian |
|
Tennessee |
Wood,G.D. et al. Acritarchs from the Lower Cambrian Murray Shale, Chilhowee Group, of Tennessee, USA. |
1982 |
| details |
Llandoverian |
|
Pennsylvania |
Johnson,N.G. Early Silurian palynomorphs from the Tuscarora Formation in Central Pennsylvania and their paleobotanical and geological significance |
1985 |
| details |
Late Devonian |
|
Ohio |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Carboniferous |
|
Spain |
Valenzuela,J.M.G. et al. Aspects of the paleoecology of the Santos de Maimona Basin; Acritarchs and spores. |
1990 |
| details |
Late Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Cambrian |
|
Tennessee |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| original |
Late Devonian |
|
Ohio |
Wicander,E.R. Upper Devonian-Lower Mississippian acritarchs and Prasinophycean algae from Ohio, USA. |
1974 |
| details |
Famennian |
|
Ohio |
Wicander,E.R. Fluctuations in a Late Devonian-Early Mississippian phytoplankton flora of Ohio, USA. |
1975 |