| details |
Late Carboniferous |
Early Permian |
Brazil(Rio Grande Sul) |
Ybert,J.P. Miospore study of the Candiota Coal Basin, Hulka Negra, Rio Grande do Sul. |
1968 |
| details |
Early Permian |
|
Brazil(Rio Grande Sul) |
Ybert,J.P. A miospore study in the Candiota-Hulha Negra Coal Basin, Rio Grande do Sul, Brazil. |
1975 |
| details |
Permian |
|
Brazil |
Ybert,J.P. et al. A palynologic and petrographic study of some Coals from Southern Brazil. |
1971 |
| details |
Griesbachian |
|
USSR(Yakut ASSR) |
Yaroshenko,O.P. Triassic miospores and their significance for Inter-Regional correlation. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Early Triassic |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New spore genus of Pechorosporites, Varoshenko et Golubeva, gen.nov., from the Lower Triassic. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Induan |
|
USSR(European) |
Yaroshenko,O.P. et al. Palinologic characteristic of the Lower Triassic sediments of Timano-Pecherskaya Province and adjacent Regions |
1981 |
| details |
Induan |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. Palinologic characteristic of the Lower Triassic sediments of Timano-Pecherskaya Province and adjacent Regions |
1981 |
| details |
Induan |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New species of Lower Triassic spores from the Pechora Syneclise |
1989 |
| details |
Early Triassic |
|
Worldwide |
Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic |
1997 |
| details |
Early Triassic |
|
USSR(Ukrainian SSR) |
Yaroshenko,O.P. et al. Miospores and Lower triassic stratigraphy of the Pechora Syneclise. |
1991 |
| details |
Late Permian |
Early Triassic |
China(Sinkiang Uighur) |
Yang,J. et al. Classification and correlation of nonmarine Permo - Triassic Boundary in China. (In: Permo-Triassic Events in the Eastern Tethys; Stratigraphy, Classification and Relations with the Western Tethys. W.C.Sweet et al, editors) |
1992 |
| details |
Early Permian |
|
India(West Bengal) |
Vijaya et al. Role of spore-pollen species in Demarcating the Permo - Triassic Boundary in Raniganj Coalfield, West Bengal. |
1987 |
| details |
Early Triassic |
|
India(Bihar) |
Venkatachala,B.S. Palynoflora across the Permian - Triassic Boundary in the subsurface of Purnea, Bihar, India. |
1978 |
| details |
Early Triassic |
|
India(Bihar) |
Venkatachala,B.S. et al. Early Triassic palynoflora from the subsurface of Purnea, Bihar, India. |
1978 |
| details |
Buntsandstein |
|
Romania |
Venkatachala,B.S. et al. Palynological evidence on the presence of Lower Triassic in the Danubean (Moesian) Platform, Roumania. |
1968 |
| details |
Triassic |
|
India |
Venkatachala,B.S. A decade of stratigraphic palynology in India. |
1976 |
| details |
Triassic |
|
USSR(Komi ASSR) |
Varyukhina,L.M. et al. Palynological complexes of Triassic deposits of the Tyman-Pechora Province and their correlation. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |