| 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 |
Pennsylvanian |
|
Illinois |
Arnold,C.A. Petrified Cones of the genus Calamostachys from the Carboniferous of Illinois. |
1958 |
| 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 |
| details |
Early Triassic |
|
Greenland |
Lundblad,B. A Selaginelloid Strobilus from East Greenland (Triassic) |
1948 |
| 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 |
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 |
Permian |
|
Australia(Tasmania) |
Dulhunty,J.A. et al. Notes on microspore types in Tasmanian Permian Co |
1949 |