| details |
Norian |
Rhaetian |
USSR(Franz Josef Land) |
Dibner,V.D. et al. Data on geology and biostratigraphy of Upper Triassic and Lower Jurassic deposits of Franz-Joseph Land. (In: Symposium of Articles on Arctic Geology. B.V.Ikatshenko, editor) |
1959 |
| original |
Middle Albian |
Late Albian |
Canada(Saskatchewan) |
Pocock,S.A.J. Pollen and spores of Chlamydospermidae and Schizaeaceae from Upper Manville strata of the Saskatoon area of Saskatchwan. |
1964 |
| details |
Albian |
|
Canada(Saskatchewan) |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| 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 |