| original |
Gedinnian |
|
Oklahoma |
Loeblich,A.R.III et al. New acritarchs from the Early Devonian (Late Gedinnian) Haragan Formation of Oklahoma, USA. |
1968 |
| details |
Early Devonian |
|
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Gedinnian |
|
Tennessee |
Wood,G.D. et al. Early Devonian, (Gedinnian), organic-walled microphytoplankton and spores from the Ross Formation of Tennessee, United States. |
1985 |
| details |
Nd |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Nd |
|
Nd |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |