| details |
Middle Pennsylvanian |
|
Kansas |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Early Tertiary |
|
England |
Mackв,S. Sporomorphs from Upper Cretaceous near Opole, (Silasia), and from the London Clays. |
1963 |
| original |
Eocene |
|
England |
Mackв,S. Sporomorphs from Upper Cretaceous near Opole, (Silasia), and from the London Clays. |
1963 |
| details |
Early Eocene |
|
England |
Mackв,S. Sporomorphs in the London Clay. |
1961 |
| details |
Nd |
|
Nd |
Felix,C.J. Some Neglected aspects of plant microfossil research. |
1960 |
| details |
Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Nd |
|
Nd |
Balbach,M.K. Microspore variation in Lepidostrobus and comparison with Lycospora. |
1966 |
| details |
Middle Pennsylvanian |
|
Illinois |
Balbach,M.K. Paleozoic Lycopsid fructifications.Iii. Conspecificity of British and North American Lepidostrobus Petrifaction. |
1967 |
| details |
Middle Pennsylvanian |
|
Kansas |
Balbach,M.K. Paleozoic Lycopsid fructifications.Iii. Conspecificity of British and North American Lepidostrobus Petrifaction. |
1967 |