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Geolocation
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Author - title
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Year
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| details | Late Emsian | Early Givetian | USSR(Russian Platform) | Arkhangelskaya,A.D. Zonal spore assemblages and stratigraphy of the Lower and Middle Devonian of the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) | 1985 |
| original | Early Givetian | Belgium | Streel,M. An association of spores from the Lower Givetian of the Vesdre at Goe, Belgium. | 1964 |