| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| details | Wenlockian | England(Shropshire) | Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. | 1959 | |
| details | Ypresian | Belgium | Sarjeant,W.A.S. A restudy of Pastiels' (1948) dinoflagellate cysts from the Early Eocene of Belgium. | 1986 | |
| details | Ypresian | Belgium | Pastiels,A. Contribution to the study of microfossils of the Belgian Eocene. | 1948 | |
| details | Silurian | Baltic | Deflandre,G. The problem of Hystrichospheres. | 1947 |