original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
original |
Late Cretaceous |
|
Wyoming |
Andrews,H.N. et al. On the flora of the Frontier Formation of Southwestern Wyoming. |
1941 |
details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Andrews,H.N. et al. A new Sporangium from the American Carboniferous. |
1963 |
details |
Late Devonian |
|
USSR |
Andrews,H.N. Evolutionary trends in early vascular plants. |
1979 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Eifelian |
|
Canada(New Brunswick) |
Andrews,H.N. et al. A new fossil plant of probable intermediate affinities (Trimerophyte-Progymnosperm). |
1975 |
details |
Barremian |
Early Aptian |
Romania |
Antonescu,E. Characteristic palynologic assemblages of some Cretaceous formations in the Metalici Mountains. |
1973 |
details |
Barremian |
Early Aptian |
Romania |
Antonescu,E. Characteristic palynologic assemblages of some Cretaceous formations in the Metalici Mountains. |
1973 |
details |
Barremian |
Early Aptian |
Romania |
Antonescu,E. Characteristic palynologic assemblages of some Cretaceous formations in the Metalici Mountains. |
1973 |