| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
Sarjeant,W.A.S. Henry Hopley White (1790-1877) and the early researches on Chalk "Xanthidia" (marine palynomorphs) by Clapham microscopists. |
1991 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
| details |
Middle Campanian |
|
Canada(Alberta) |
Norris,G. et al. Evolution of the Cretaceous terrestrial palynoflora in Western Canada. |
1975 |
| original |
Late Cretaceous |
|
England |
White,H.H. On fossil Xanthidia. |
1842 |
| details |
Late Cretaceous |
|
England(London) |
Wilkinson,S.J. Observations on Xanthidium, both fossil and recent. |
1849 |