| details |
Early Paleozoic |
|
Nd |
Richardson,J.B. Lower Palaeozoic sporomorphs: Their stratigraphical distribution and possible affinites. (In: Evolution and Environment in the Late Silurian and Early Devonian. W.G.Chaloner and J.D. Lawson, editors) |
1985 |
| details |
Downtonian |
Dittonian |
United Kingdom |
Richardson,J.B. Some British Lower Devonian spore assemblages and their stratigraphic significance. |
1967 |
| details |
Pridolian |
Gedinnian |
Nd |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Late Famennian |
Middle Tournaisian |
Belgium |
Streel,M. Palynological correlations between the Devonian/ Dinantian transitional sediments in the Ardenno-Rhine Basins |
1969 |
| details |
Famennian |
Tournaisian |
Belgium |
Streel,M. Assemblages of spores of Famennian, Strunian and Tournaisian stratotypes in the Ardenno-Rhenisch Basins. |
1967 |
| original |
Early Givetian |
|
Belgium |
Streel,M. An association of spores from the Lower Givetian of the Vesdre at Goe, Belgium. |
1964 |