| original |
Pennsylvanian |
|
Illinois |
Sellards,E.H. Codonotheca, a new type of spore-bearing organ from the Coal Measures. |
1903 |
| details |
Pennsylvanian |
|
Illinois |
Sellards,E.H. Notes on the spore-bearing organ Codonotheca and its relationship with the Cycadofilices |
1907 |
| details |
Stephanian |
|
France |
Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. |
1937 |
| details |
Pennsylvanian |
|
Illinois |
Schopf,J.M. Pteridosperm male fructifications |
1948 |
| details |
Pennsylvanian |
|
Illinois |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Middle Pennsylvanian |
|
USA |
Taylor,T.E. et al. Studies of spores from Carboniferous fructifications. 1. Introduction and preliminary survey utilizing the Scanning Electron Microscope. |
1969 |
| details |
Middle Pennsylvanian |
|
USA |
Taylor,T.N. et al. Preliminary study of spores from Carboniferous fructifications utilizing the Scanning Electron Microscope. |
1969 |
| details |
Middle Pennsylvanian |
|
North America |
Taylor,T.N. The ultrastructure and reproductive significance of monoletes (Pteridospermales) pollen. |
1978 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |
| details |
Middle Pennsylvanian |
|
Illinois |
Drinnan,A.N. et al. A synopsis of Medullosan pollen organ from Middle Pennsylvanian Mazon Creek flora of Northeastern Illinois, USA. |
1994 |
| details |
Middle Pennsylvanian |
|
Illinois |
Kedves,M. Tranmission Electron Microscopy of the Fossil Gymnosperm Exines. |
1994 |
| details |
Carboniferous |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Permian |
|
Nd |
Taylor,T.N. et al. In situ, pollen and spores in plant evolution. 14C -Importance of in situ, pollen and spores in understanding the biology and evolution of fossil plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |