| original |
Neocomian |
Aptian |
USSR |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Neocomian |
Aptian |
USSR |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Early Barremian |
|
USSR(Turkmen SSR) |
Fokina,N.I. Spore pollen complexes in Lower Cretaceous deposits SW branch of the Gissarskogo Range). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |
| details |
Aptian |
|
USSR(Turkmen SSR) |
Aliev,I.M. et al. On the boundary between Neocomian and Aptian in the Western Region of Middle Asia |
1963 |
| details |
Albian |
Cenomanian |
USSR(European) |
Kopytova,E.A. The spore pollen complex of the central part of Kyzylkumov and its stratigraphic significance. (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 |
Neocomian |
Aptian |
USSR |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |