| details |
Aptian |
|
Mongolian Republic |
Krassilov,V.A. Early Cretaceous flora of Mongolia. |
1982 |
| details |
Aptian |
|
Mongolian Republic |
Krassilov,V.A. Early Cretaceous flora of Mongolia. |
1982 |
| details |
Early Carboniferous |
|
Spitsbergen |
Bharadwaj,D.C. On Porostrobus zeilleri, Nathorst, and its spores with remarks on the systematic position of Porostrobus bennholdi, Bode, and the phylogeny of Densosporites, Berry. |
1959 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Kentucky |
Stubblefield,S.P. et al. Compressed plants from the Lower Pennsylvanian of Kentucky, (USA), .I.Crossotheca kentuckiensis, n.sp. |
1982 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. A Heterosporous species of Bowmanites from the Michigan Coal Basin |
1944 |
| 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 |
Early Triassic |
|
Greenland |
Lundblad,B. A Selaginelloid Strobilus from East Greenland (Triassic) |
1948 |
| details |
Late Devonian |
|
Pennsylvania |
Cichan,M.A. et al. Ultrastructural studies of in situ, Devonian spores - Protobarinophyton pennsylvanicaum Brauer. |
1984 |
| original |
Late Devonian |
|
USSR(Voronezh) |
Nikitin,P.A. Fossil plants of the Petino Horizon of the Devonian of the Voronezh District 1. Kryshtofovichia africani, nov.gen.et sp. |
1934 |
| original |
Late Devonian |
|
Pennsylvania |
Arnold,C.A. Observations on fossil plants from the Devonian of eastern North America. IV. Plant remains from the Catskill Delta deposits of northern Pennsylvania and Southern New York. |
1939 |
| details |
Late Neocomian |
|
Mongolian Republic |
Krassilov,V.A. Early Cretaceous flora of Mongolia. |
1982 |
| 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 |