| original |
Nd |
|
Nd |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| original |
Nd |
|
Nd |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| original |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| original |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| details |
|
|
England |
Radforth,N.W. An analysis and comparison of the structural features of Dactylotheca plumosa, Artis sp. and Seftenbergia Ophiodermatic Goppert sp. |
1938 |
| details |
|
|
England |
Radforth,N.W. An analysis and comparison of the structural features of Dactylotheca plumosa, Artis sp. and Seftenbergia Ophiodermatic Goppert sp. |
1938 |
| details |
|
|
England |
Radforth,N.W. An analysis and comparison of the structural features of Dactylotheca plumosa, Artis sp. and Seftenbergia Ophiodermatic Goppert sp. |
1938 |
| details |
Stephanian |
|
France |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
England |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
England |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
Scotland |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Nd |
|
England(Staffordshire) |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
Germany |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
England |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Ohio |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Stephanian |
|
France |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Westphalian |
|
Germany |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |