| details |
Givetian |
|
South Africa |
Stapleton,R.P. Carbonized Devonian spores from South Africa. |
1977 |
| details |
Givetian |
|
China(Yunnan) |
Lu,L. et al. Devonian megaspores from the Zhanyi District, eastern Yunnan. |
1978 |
| details |
Early Triassic |
|
Greenland |
Lundblad,B. A Selaginelloid Strobilus from East Greenland (Triassic) |
1948 |
| details |
Early Tortonian |
|
Arizona |
Hazenbush,G.C. Stratigraphy and depositional environments of the Mancos Shale (Cretaceous), Black Mesa, Arizona. (In: Cretaceous and Tertiary rocks of the Southern Colorado Plateau. J.E.Fassett, editor) |
1973 |
| original |
Early Permian |
|
Zaire |
Maheshwari,H.K. et al. An abnormal megaspore from Lower Permian Coal Measures near Lake Tanganyika, Zaire. |
1987 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. A Heterosporous species of Bowmanites from the Michigan Coal Basin |
1944 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. A Heterosporous species of Bowmanites from the Michigan Coal Basin |
1944 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. A Heterosporous species of Bowmanites from the Michigan Coal Basin |
1944 |
| details |
Early Pennsylvanian |
|
Michigan |
Arnold,C.A. A Heterosporous species of Bowmanites from the Michigan Coal Basin |
1944 |
| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical charateristics of Lower Mesozoic deposits of Alakul'sk Seam. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Early Hettangian |
|
Poland |
Znosko,J. Rhaetic and Lias between Cracow and Wielun. |
1955 |
| details |
Early Gondwana |
|
India(Bihar) |
Trivedi,B.S. Megaspores from Lower Gondwana of Singrauli Coalfield, District Mirzapur. |
1950 |
| details |
Early Gondwana |
|
India(Orissa) |
Pant,D.D. et al. On Walkomiellospermum indicum, gen.et sp.nov., seed-like bodies and alete megaspores from Talchir Coalfield, India. |
1963 |
| original |
Early Carnian |
|
USSR(Bashkir ASSR) |
Tuzhikova,V.I. On the age and Extent of the Surakaisk Suite and Bukobaisk series of the Southern Cis-Urals. (In: Triassic Stratigraphy of the Urals and Cis-Urals. Symposium on the Problems of Stratigraphy. #27). V.I.Tuzhikova and G.N.Papulov, editors) |
1979 |
| details |
Early Carboniferous |
|
Spitsbergen |
Bharadwaj,D.C. On Porostrobus zeilleri, Nathorst, and its spores with remarks on the systematic position of Porostrobus bennholdi, Bode, and the phylogeny of Densosporites, Berry. |
1959 |
| original |
Early Barremian |
|
France(Alpes,Basses) |
Srivastava,S.K. Barremian dinoflagellate cysts from southeastern France. |
1984 |
| details |
Early Barremian |
|
Netherlands |
Herngreen,G.F.W. et al. Upper Cretaceous Chalk Group stratigraphy near the Isle of Texel, The Netherlands (a multidisciplinary approach). |
1996 |