original |
Middle Frasnian |
|
Canada(Alberta) |
Turner,R.E. New acritarch taxa from the Middle and Upper Devonian (Givetian-Frasnian) of Western Canada. |
1991 |
details |
Early Frasnian |
Middle Frasnian |
Canada(Alberta) |
Turner,R.E. New acritarch taxa from the Middle and Upper Devonian (Givetian-Frasnian) of Western Canada. |
1991 |
details |
Middle Frasnian |
|
Canada(NWT) |
Turner,R.E. New acritarch taxa from the Middle and Upper Devonian (Givetian-Frasnian) of Western Canada. |
1991 |
details |
Early Frasnian |
Middle Frasnian |
Canada(NWT) |
Turner,R.E. New acritarch taxa from the Middle and Upper Devonian (Givetian-Frasnian) of Western Canada. |
1991 |