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Author - title
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Year
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| details | Hauterivian | Barremian | USSR | Voronova,M.A. Early Cretaceous miospores of the Ukraine | 1984 |
| details | Bajocian | Bathonian | Nd | Issagulova,E.Z. Pollen and spores in Jurassic deposits of the southwestern margin of the Russian Platform and the Subcarpathian Foredeep. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) | 1966 |
| 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 |