| details |
Early Cretaceous |
|
Nd |
Konijnenburg-Cittert,J.H.A.Van Diversification of spores in fossil and extant Schizaeaceae. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Valanginian |
|
England(Sussex) |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |
| details |
Volgian |
|
England |
Hughes,N.F. Jurassic-Cretaceous boundary palynology in Europe. |
1981 |
| details |
Late Volgian |
|
England |
Hughes,N.F. Jurassic-Cretaceous boundary palynology in Europe. |
1981 |
| details |
Early Wealden |
|
England |
Hughes,N.F. et al. Descriptions of Schizaeaceous spores taken from Early Cretaceous macrofossils |
1966 |
| details |
Early Aptian |
|
USSR(Caucasus) |
Gurova,A.D. et al. Stratigraphy and spore-pollen complexes of the Lower Cretaceous of the northern part of Prikumya (Eastern Pre-Caucasus). (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 |
Aptian |
|
USSR(Nenets Nat.Okrug) |
Gryazeva,A.S. Palynological basis for the stratigraphy of Lower Cretaceous deposits of the Pechorsk Basin. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Hauterivian |
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 |
Neocomian |
Albian |
Maryland |
Groot,J.J. et al. Plant microfossils and age of nonmarine Cretaceous sediments of Maryland and Delaware. |
1960 |
| details |
Albian |
|
Delaware |
Groot,J.J. et al. Plant microfossils and age of nonmarine Cretaceous sediments of Maryland and Delaware. |
1960 |
| details |
Valanginian |
Late Aptian |
USSR(Turkmen SSR) |
Fokina,N.I. Cretaceous spore and pollen assemblages;Eastern Turkmenskaya, Bayram-Ali and Gaurdak Regions. (In: Spore and Pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors) |
1971 |
| details |
Late Aptian |
|
USSR(Uzbek SSR) |
Fokina,N.I. Cretaceous spore and pollen assemblages of Western Uzbekistan;Bukharo-Khivinskaya Oblast, Kultak-Northern Kamashi. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |
| details |
Early Albian |
Middle Albian |
USSR(Uzbek SSR) |
Fokina,N.I. Cretaceous spore and pollen assemblages of Western Uzbekistan;Bukharo-Khivinskaya Oblast, Kultak-Northern Kamashi. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |
| details |
Late Albian |
|
USSR(Uzbek SSR) |
Fokina,N.I. Spore pollen complexes in Cenomanian deposits of South Prearal). (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 |
Berriasian |
Valanginian |
USSR(Caucasus) |
Fokina,N.I. et al. Palynological substantiation of the age of the Upper Jurassic and Lower Measures of the Lower Cretaceous, Eastern Fore-Caucasus. |
1975 |
| details |
Late Aptian |
|
USSR(Turkmen SSR) |
Fokina,N.I. Spore-pollen complexes of the Upper Aptian of Southern Turkmen |
1964 |
| details |
Ryazanian |
|
Canada(NWT,Mackenzie) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |