| details |
Late Cretaceous |
|
England(London) |
Wilkinson,S.J. Observations on Xanthidium, both fossil and recent. |
1849 |
| details |
Late Senonian |
|
Denmark |
Wetzel,O. Micropaleontological investigation of the Upper Senonian chalk from Stevns Klint-Kridtbrud on the Danish Seeland Island, and reference to flint boulders. |
1940 |
| details |
Mesozoic |
|
England |
Sarjeant,W.A.S. The rediscovery of a lost species of dinoflagellate cyst Hystrichosphaera (ex Spiniferites) reginaldi (Mantell 1844) comb.nov. |
1967 |
| details |
Late Ordovician |
Silurian |
France(Bretagne) |
Moreau-Benoit,A. Palynological and planktonic research on the Devonian and some Silurian formations of the southeast Massif Armoricain. |
1974 |
| details |
Senonian |
|
England |
Deflandre,G. Systematics of the Hystrichospheres: With the acceptance of the Cymatiosphaera O.Wetzel. |
1954 |
| details |
Silurian |
|
France(Herault) |
Deflandre,G. Microfossils from the Silurian Limestones of Montagne Noire. |
1944 |