| original |
Precambriam |
Recent |
Texas |
Leffingwell,H.A. A study of the variation of the microfossil assemblages within the Vicksburg Formation, Texas. |
1958 |
| original |
Devonian |
|
Oklahoma |
Urban,J.B. Microfossils of the Woodford Shale (Devonian) of Oklahoma. |
1960 |
| original |
Albian |
|
Romania |
Baltes,N. Cretaceous dinoflagellates and Hystrichospheres of the Moesian Platform |
1963 |
| original |
Miocene |
|
Brazil(Amapa) |
Arai,M. Dinoflagellate fossils;their use in the reconstruction of the geolocial history of Brasilian Atlantic Coast. |
1985 |
| original |
Oligocene |
|
Brazil(Ceara) |
Arai,M. Dinoflagellate fossils;their use in the reconstruction of the geolocial history of Brasilian Atlantic Coast. |
1985 |