original |
Early Givetian |
|
New York |
Richardson,J.B. et al. The spores of Leclercqia and the dispersed spore Morphon Acinosporites lindlarensis, Riegel; A case of gradualistic evolution. |
1993 |
original |
Early Eifelian |
|
Canada(Quebec) |
Richardson,J.B. et al. The spores of Leclercqia and the dispersed spore Morphon Acinosporites lindlarensis, Riegel; A case of gradualistic evolution. |
1993 |
original |
Early Eifelian |
|
Canada(Nova Scotia) |
Richardson,J.B. et al. The spores of Leclercqia and the dispersed spore Morphon Acinosporites lindlarensis, Riegel; A case of gradualistic evolution. |
1993 |