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Author - title
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Year
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| details | Nd | Nd | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 | |
| details | Stephanian | USSR(Ukrainian SSR) | Andreeva,E.M. et al. Spore and pollen complexes of Middle and Upper Paleozoic of the USSR. | 1960 | |
| details | Westphalian | Stephanian | USSR(Kazakh SSR) | Andreeva,E.M. et al. Spore and pollen complexes of Middle and Upper Paleozoic of the USSR. | 1960 |