| details |
Siegenian |
Tournaisian |
Pennsylvania |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Late Gedinnian |
Early Siegenian |
Ohio |
Wood,G.D. Spores from the Lower Devonian Holland Quarry Shale, Northwestern Ohio, USA. |
1987 |
| details |
Siegenian |
Tournaisian |
New York |
Richardson,J.B. Devonian spores. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Nd |
|
Nd |
Zaklinskaya,E.D. et al. Taxonomy and nomenclature of fossil spores and pollen |
1960 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Siegenian |
Famennian |
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| details |
Emsian |
Namurian C |
Nd |
Potonie,R. et al. Principal aspects of the development of the palynology of the Carboniferous. |
1964 |
| details |
Nd |
|
Nd |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Namurian B |
|
Nd |
Neves,R. et al. Some observations on Namurian and Visean spores from Nova Scotia, Britain and northern Spain. |
1970 |
| details |
Nd |
|
Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Cretaceous |
|
Nd |
Herngreen,G.F.W. et al. Cretaceous palynofloral Provinces: A review. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Devonian |
|
Maine |
Andrews,H.N. et al. Early Devonian spores from maine, USA. |
1972 |
| details |
Early Devonian |
Middle Devonian |
Maine |
Chaloner,W.G. Early Devonian spores from maine USA. |
1972 |
| details |
Atokan |
|
Kentucky |
Kosanke,R.M. Palynomorph content of the Hazard No.7 Coal Bed, Kentucky. (In: Coal and Coal-bearing rocks of eastern Kentucky) |
1981 |
| details |
Devonian |
|
Iowa |
Norton,N.J. Palynomorphs from the Solan Member of the Cedar Valley Limestone of Iowa. |
1967 |
| details |
Middle Gothlandian |
|
Iowa |
Schweger,C.E. Mississippian spores in a Silurian Limestone of Iowa. |
1966 |
| details |
Early Eocene |
Middle Eocene |
India(Assam) |
Ghosh,A.K. et al. On the Cryptogramic spores from the Tertiary of India and their bearing on stratigraphy. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |