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Author - title
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Year
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| details | Nd | USSR(Yakut ASSR) | Vinogradov,V.A. et al. Identification of Permian sediments on Bolshoy Lyakhov Island. | 1975 | |
| details | Algonkian | Nd | Kedves,M. Introduction to the palynology of Pre-Quaternary deposits | 1986 | |
| details | Early Ordovician | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |