| original |
Guadalupian |
|
Canada(Alberta) |
Pocock,S.A.J. et al. The genus Classopollis Pflug,1953. |
1961 |
| details |
Nd |
|
Nd |
Vakhrameev,V.A. Range and paleoecology of the Mesozoic Conifers, the Cheirolepidiaceae. |
1970 |
| details |
Permian |
|
Canada |
Chaloner,W.G. et al. A new British Permian spore. |
1962 |
| details |
Permian |
|
England |
Chaloner,W.G. et al. A new British Permian spore. |
1962 |
| details |
Nd |
|
Nd |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Early Liassic |
|
France(Pas-de-Calais) |
Levet-Carrette,J. Study of the Lower Liassic microflora of a drilling made in the sub-soil of Boulogne-sur-Mer, (Pas-de-Calais). |
1963 |