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Author - title
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Year
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| details | Wenlockian | USSR(Tuvinskaya A.O.) | Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). | 1975 | |
| details | Nd | Nd | Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. | 1998 | |
| details | Silurian | USSR(Siberia) | Tesakov,Y.I. Key Beds of the Kureyka River Region. (In: Silur Sibirskoy Platformy;Opornyve Razezy Severo-Zapada Sibirskoy Platformy. B.S.Sokolov et al, editor) | 1980 |