| original |
Middle Barremian |
|
England(Yorkshire) |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Barremian |
|
England(Yorkshire) |
Jansonius,J. Muderongia |
1982 |
| details |
Aptian |
Early Albian |
England(Isle of Wight) |
Duxbury,S. A study of dinoflagellate cysts and acritarchs from the Lower Greensand (Aptian to Lower Albian) of the Isle of Wight,
southern England. |
1983 |
| details |
Middle Barremian |
|
England(Yorkshire) |
Duxbury,S. A study of dinoflagellate cysts and acritarchs from the Lower Greensand (Aptian to Lower Albian) of the Isle of Wight,
southern England. |
1983 |
| details |
Middle Barremian |
|
England(Yorkshire) |
Bint,A.N. Fossil Ceratiaceae: A restudy and new taxa from the Middle Cretaceous of the Western Interior, U.S.A. |
1986 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |