| details |
Late Cretaceous |
|
USSR |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Maastrichtian |
|
USSR(Koryak Okrug) |
Korotkevich,V.D. Characteristics of spore-pollen complexes from Maastrichtian deposits of the Central Koryakstructural zone. (In: Key sections of Maestrichtian deposits of the central part of the Koryak Highlands. O.P.Dundo, editor) |
1971 |
| details |
Hauterivian |
Barremian |
USSR(Ukrainian SSR) |
Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. |
1971 |
| details |
Nd |
|
Nd |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |