| details |
Late Ordovician |
|
Indiana |
Miller,M.A. et al. Upper Ordovician (Lower Richmondian) acritarchs and chitinozoans from southeastern Indiana, USA. |
1981 |
| details |
Liassic |
|
|
Arguijo,M.H. et al. A palynological study of the Piedra Pintada Formation, Lower Jurassic of the Neuqu©n Basin (Argentina). |
1981 |
| details |
Bajocian |
|
|
Gonzales-Amicon,O.R. et al. Palynological data from the Bajocian (Cura Niyeu Formation), of the Sierra de Chacai County, Neuqu©n Basin, Argentina. |
1981 |
| details |
Berriasian |
|
|
Quattrocchio,M.E. et al. Palynological study of the Berriasian in Mallin Quemado, Neuqu©n Province, Argentina. |
1981 |
| details |
Precambriam |
Tertiary |
China |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Nd |
|
Nd |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Cambrian |
Silurian |
Belgium |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Ordovician |
Cretaceous |
England |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Cambrian |
Jurassic |
France |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Silurian |
Tertiary |
Germany |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Cretaceous |
|
Italy |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Tertiary |
|
Netherlands |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Silurian |
|
Poland |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Jurassic |
|
Romania |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Ordovician |
Cretaceous |
Sweden |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Precambriam |
|
USSR |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Precambriam |
Permian |
India |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |