| details |
Late Ludlovian |
Middle Pridolian |
Libya |
Rubinstein,C.V. et al. Miospore assemblages from the Silurian - Devonian boundary, in Borehole A1-61, Ghadamis Basin, Libya. |
2002 |
| details |
Early Permian |
Middle Permian |
India(Madhya Pradesh) |
Sinha,V. Sporae dispersae from Jhingurdah Seam, Singrauli Coalfield, (M.P.), India. |
1972 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
West Virginia |
Kosanke,R.M. Palynology of selected Coal Beds in the proposed Pennsylvanian system stratotype in West Virginia |
1984 |
| details |
Early Pennsylvanian |
Middle Pennsylvanian |
Kentucky |
Millay,M.A. Studies of Palaeozoic Marattialeans; an Early Pennsylvanian species of the fertile fern Scolecopteris. |
1982 |
| details |
Early Jurassic |
Middle Jurassic |
China(Tibet) |
Xu,Y. Occurence and significance of the Early to Middle Jurassic microflora in Nylamo Xizang, (Tibet). |
1982 |
| details |
Late Triassic |
Middle Jurassic |
China(Honan) |
Wang,C.-F. Palynological assemblages of the Tanzhuang and Yima Formation in Yima Henan |
1983 |
| details |
Early Jurassic |
Middle Jurassic |
China(Hopei) |
Wang,C.-F. et al. The Mesozoic of the Plain area in Middle Hebei |
1984 |
| details |
Liassic |
Middle Jurassic |
China(Sinkiang Uighur) |
Sun,F. Early and Middle Jurassic sporo-pollen assemblages of Qiquanhu Coal-Field of Turpan, Xinjiang. |
1989 |
| details |
Early Jurassic |
Middle Jurassic |
China(Sinkiang Uighur) |
Liu,Z.-S. et al. Early and Middle Jurassic sporopollen assemblages from Wenquan Coalfield of Xinjiang, China and their stratigraphical significance |
1992 |
| details |
Late Givetian |
Middle Frasnian |
Canada(Arctic) |
Whiteley,M.J. Givetian and Frasnian spores from the Key Point Well, Parry Islands, Arctic Canada. |
1980 |
| details |
Middle Frasnian |
Middle Famennian |
Australia(N.Territory) |
Playford,G. et al. Palynological evidence for the age of the Synorogenic Brewer Conglomerate, Amadeus Basin, Central Australia. |
1976 |
| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Richardson,J.B. et al. Palynological evidence for the age and provenance of the Lower Old Red Sandstone from the Apley Barn Borehole, Winey, Oxfordshire. |
1978 |
| details |
Early Devonian |
Middle Devonian |
France |
Coquel,R. The spores. |
1981 |
| original |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Early Devonian |
Middle Devonian |
Belgium |
Streel,M. Paleobotanic information on the boundary of the Lower Devonian and Middle Devonian in the Ardenno-Rhenan Geosyncline. |
1967 |
| details |
Early Devonian |
Middle Devonian |
Romania |
Dimitrescu,R. Early Caledonian event in the Pre-Alpine metamorphic sequences the Romanian Carpathians |
1985 |
| details |
Early Carboniferous |
Middle Carboniferous |
USSR(Krasnoyarsk Kray) |
Oshurkova,M.V. Upper Paleozoic complexes of microspores of the Tunguska floristic Region, found in the Minusinsk Basin. (In: Palynology, Method and Stratigraphy) |
1973 |