| details |
Middle Devonian |
Late Devonian |
Romania |
Iordan,M. et al. Litho and biostratigraphy of the Paleozoic Sequences in the Oprisor and Girla Mare Boreholes, (southwestern part of the Moesian Platform). |
1985 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
New York |
Jacobson,S.R. Acritarchs as paleoenvironmental indicators in Middle and Upper Ordovician rocks from Kentucky, Ohio and New York. |
1979 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Biostratigraphy and paleoecology of acritarchs from Middle and Upper Ordovician rocks in the Cincinnati Region. |
1977 |
| details |
Middle Ordovician |
Late Ordovician |
New York |
Jacobson,S.R. Middle and Upper Ordovician acritarchs, Eastern Midcontinent, USA. |
1977 |
| details |
Middle Ordovician |
Late Ordovician |
Ohio |
Jacobson,S.R. Middle and Upper Ordovician acritarchs, Eastern Midcontinent, USA. |
1977 |
| details |
Caradocian |
|
New York |
Jacobson,S.R. Acritarch biostratigraphy of Middle and Late Ordovician Carbonate rocks of the Trenton Group, New York, and equivalent strata in the Cincinnati region. |
1977 |
| details |
Early Ordovician |
Middle Ordovician |
Canada(Newfoundland) |
Jansa,L.F. Trace fossils from the Cambro-Ordovician Cow Head Group, Newfoundland, and their paleobathymetric implication. |
1974 |
| details |
Llanvirnian |
Caradocian |
England(Shropshire) |
Jenkins,W.A.M. Ordovician chitinozoa from Shropshire. |
1967 |
| details |
Late Permian |
|
Poland |
Jerzykiewicz,J. First locality of Upper Permian spores in the North-Sudetic Synclinoirium |
1979 |
| details |
Nd |
|
Nd |
Jux,U. Fine-Structures in the walls of some Paleozoic Baltisphaerids. |
1971 |
| details |
Ordovician |
Silurian |
Bulgaria |
Kalvacheva,R.K. Preliminary results from palynological studies of the Lower Paleozoic in the Iskur Gorge. |
1972 |
| details |
Llanvirnian |
|
Bulgaria |
Kalvacheva,R.K. et al. Occurence of acritarchs in the Lower Paleozoic in the Iskur Gorge. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Vendian |
|
USSR(European) |
Keller,B.M. The limit between the Precambrian and the Cambrian in the USSR and the problem of the Vendomien. (In: The correlations of the Precambrian.) |
1972 |
| details |
Vendian |
Early Cambrian |
USSR(Siberia) |
Keller,B.M. The Vendian-Cambrian boundary |
1982 |
| details |
Middle Eocene |
|
Australia(N.Territory) |
Kemp,E.M. Early Tertiary pollen from Napperby, Central Australia. |
1976 |
| details |
Maastrichtian |
|
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |