| details |
Middle Pennsylvanian |
|
Kentucky |
Leisman,G.A. et al. Megasporangiate and microsporangiate cones of Achlamydocarpon varius, from the Middle Pennsylvanian. |
1979 |
| details |
Pennsylvanian |
|
Illinois |
Arnold,C.A. Petrified Cones of the genus Calamostachys from the Carboniferous of Illinois. |
1958 |
| details |
Permian |
|
Australia(Tasmania) |
Dulhunty,J.A. et al. Notes on microspore types in Tasmanian Permian Co |
1949 |
| details |
Nd |
|
Nd |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Nd |
|
Nd |
Chaloner,W.G. On the megaspores of four species of Lepidostrobus |
1953 |
| details |
Late Permian |
|
China(Chekiang) |
Ouyang,S. The microspore assemblage from the Lungtan Series of Changhsing, Chekiang. |
1962 |
| details |
Late Permian |
|
China(Chekiang) |
Ouyang,S. The microspore assemblage from the Lungtan Series of Changhsing, Chekiang. |
1962 |
| details |
Late Permian |
|
China(Chekiang) |
Ouyang,S. The microspore assemblage from the Lungtan Series of Changhsing, Chekiang. |
1962 |
| details |
Late Permian |
|
China(Chekiang) |
Ouyang,S. The microspore assemblage from the Lungtan Series of Changhsing, Chekiang. |
1962 |
| details |
Pennsylvanian |
|
Iowa |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
Iowa |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Kentucky |
Millay,M.A. et al. Feraxotheca, gen.nov., a Lyginopterid pollen organ from the Pennsylvanian of North America. |
1977 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Kentucky |
Millay,M.A. et al. Feraxotheca, gen.nov., a Lyginopterid pollen organ from the Pennsylvanian of North America. |
1977 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |
| details |
Pennsylvanian |
|
Illinois |
Good,C.W. et al. The establishment of Elaterites triferens spores in Calamocarpon insignis microsporangia |
1974 |