| details |
Middle Eocene |
Late Eocene |
Alaska |
Jan du ChЄne,R.E. et al. New observations on the dinoflagellate cyst genus Kallosphaeridium de Coninck, 1969. |
1984 |
| details |
Middle Eocene |
|
Antarctica |
Mao,S. et al. Middle Eocene dinocysts from Bruce Bank (Scotia Sea, Antarctica) and their paleoenvironment and paleogeographic implications |
1995 |
| details |
Nd |
|
Nd |
Stover,L.E. et al. Mesozoic-Tertiary dinoflagellates, acritarchs and Prasinophytes. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |