| details |
Early Givetian |
|
Greenland |
Marshall,J.E.A. et al. An ecological control on the distribution of the Devonian Fish Asterolepis |
1996 |
| details |
Eifelian |
Givetian |
Scotland(Orkney) |
Marshall,J.E.A. Rhabdosporites langii, Geminospora lemurata and Contagisporites optivus: An origin for Heterospory within the Progymnosperms |
1996 |
| details |
Late Eifelian |
Early Givetian |
Canada(Arctic) |
Barnes,C.R. et al. Appendix 3A: Palaeontology. (In: The Geology of Devon Island North 76', Canadian Arctic Archipelago (Western part of Cardigan Strait area, Prince Alfred Bay map area and parts of adjacent maps: NT: 59A, B.C. and 69A, D. U.Mayr et al, editors) |
1998 |
| details |
Late Eifelian |
Early Givetian |
Canada(Arctic) |
Barnes,C.R. et al. Appendix 3A: Palaeontology. (In: The Geology of Devon Island North 76', Canadian Arctic Archipelago (Western part of Cardigan Strait area, Prince Alfred Bay map area and parts of adjacent maps: NT: 59A, B.C. and 69A, D. U.Mayr et al, editors) |
1998 |
| details |
Middle Eifelian |
|
Scotland(Grampian) |
Marshall,J.E.A. et al. Middle Devonian (Eifelian) spores from a fluvial dominated lake margin in the Orcadian Basin, Scotland |
2002 |