| details |
Nd |
|
Nd |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Westphalian B |
|
Spain |
Scott,A.C. An introduction to the application of palaeobotany and palynology to coal geology. (Coal:Formation Occurence and Related Properties.) |
1991 |
| details |
Westphalian B |
|
England(Warwickshire) |
Scott,A.C. An introduction to the application of palaeobotany and palynology to coal geology. (Coal:Formation Occurence and Related Properties.) |
1991 |