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Author - title
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Year
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| details | Ryazanian | Early Aptian | USSR(Ryazin) | Iosifova,E.K. Dinocysts from Tchernaya Retchka (Ryazanian-Aptian, Lower Cretaceous) of the Moscow Basin, Russia | 1996 |
| details | Kimmeridgian | Volgian | Russian Platform | Riding,J.B. et al. Jurassic and Lowermost Cretaceous dinoflagellate cyst biostratigraphy of the Russian Platform and Northern Siberia, Russia. | 1999 |