| details |
Aptian |
|
USSR(Ukrainian SSR) |
Voronova,M.A. et al. Stratigraphic subdivision of the Cretaceous deposits in the Middle Ingul River Region |
1972 |
| details |
Berriasian |
Albian |
USSR(Kazakh SSR) |
Fokina,N.I. et al. Palynostratigraphy of the Lower Cretaceous of Central Asia. (In: Life on Ancient Continents: Its Establishment and Expansion.) |
1981 |
| details |
Aptian |
Albian |
USSR(Ukrainian SSR) |
Voronova,M.A. Form genus Murosporoides (Somers) M.Voronova Mesophyte miospore. (In: Systematics and evolution of ancient flora in the Ukraine.Y.V.Teslenko, editor) |
1982 |
| details |
Portlandian |
Aptian |
Canada(Saskatchewan) |
Pocock,S.A.J. Microspores of the genus Murospora, Somers, from Mesozoic strata of Western Canada and Australia |
1961 |