| details |
Middle Jurassic |
|
China(Hopei) |
Gan,Z.-B. Spores and pollen from the Ziahuayuan Formation in Hebei and their stratigraphical significance |
1986 |
| details |
Middle Jurassic |
|
China(N.China) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Late Oxfordian |
Early Valanginian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| original |
Jurassic |
|
China(Shensi) |
Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) |
1980 |
| details |
Early Jurassic |
|
China |
Su,D. et al. Late Mesozoic biostratigraphy of nonmarine ostracoda and pollen and spores in China. |
1983 |