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Author - title
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| details | Aptian | Albian | USSR(WSL) | Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy | 1968 |
| details | Cenomanian | Senonian | USSR(WSL) | Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy | 1968 |
| details | Late Albian | USSR(Urals) | Bolkhovitina,N.A. The fossil spores of the ferns of the Family Gleicheniaceae (Taxonomy and distribution). (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 |