| original |
Late Cretaceous |
|
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| original |
Cenomanian |
|
USSR(Primorsk Kray) |
Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. |
1962 |
| details |
Nd |
|
Nd |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |
| details |
Middle Valanginian |
Aptian |
USSR(Siberia) |
Gryazeva,A.S. The role of Ribbed Schizean spores in the palyno stratigraphy of Lower Cretaceous deposits of the North-East European part of the USSR. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Cenomanian |
|
USSR(Primorsk Kray) |
Gryazeva,A.S. The role of Ribbed Schizean spores in the palyno stratigraphy of Lower Cretaceous deposits of the North-East European part of the USSR. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |