| details |
Middle Eocene |
|
Colorado |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Middle Eocene |
|
Utah |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Devonian |
|
New York |
Baschnagel,R.A. Some microfossils from the Onondaga Chert Of |
1942 |
| details |
Devonian |
|
New York |
Baschnagel,R.A. Some microfossils from the Onondaga Chert Of |
1942 |
| details |
Nd |
|
Nd |
Batten,D.J. Green and Blue-Green algae. 7C-Colonial Chlorococcal. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Eocene |
|
Colorado |
Batten,D.J. Green and Blue-Green algae. 7C-Colonial Chlorococcal. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |