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From
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To
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Geolocation
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Author - title
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Year
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| details | Devonian | USSR(Pre-Caucasus) | Dubinskiy,A.R. Devonian of the Folded Basal Pre-Caucasus | 1960 | |
| details | Devonian | USSR | Tchepikov,K. et al. Spore-pollen analysis of oil and Gas. | 1973 | |
| details | Devonian | USSR | Chepikov,K.R. et al. Spores and pollen in oils and Gases as migration Indices. | 1971 | |
| details | Devonian | Devonian | China(Kweichow) | Kao,L. et al. Early and Middle Devonian spore assemblages from Tushan and Duyun of Kweichow and their stratigraphical significane. | 1975 |