| details |
Bajocian |
|
England(Yorkshire) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| original |
Bathonian |
|
Scotland(Sutherland) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| original |
Bajocian |
|
England(Yorkshire) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| original |
Toarcian |
|
England(Northampton) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| original |
Bathonian |
|
England(Yorkshire) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| original |
Bathonian |
|
England(Northampton) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |