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| details | Neocomian | USSR(Turkmen SSR) | Barkhatnaya,I.N. et al. Spore-pollen complexes in Jurassic deposits of Central Karakumov. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) | 1967 | |
| details | Early Cretaceous | USSR(Caucasus) | Yaroshenko,O.P. Spores and pollen complexes of Jurassic and Lower Cretaceous deposits of northern Caucasus and their stratigraphic importance | 1965 |