| original |
Early Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Late Cenomanian |
|
Canada(Alberta) |
Jan du ChЄne,R.E. et al. Practical guide for the identification of dinoflagellate cyst fossils. the Gonyaulacysta complex. |
1986 |
| details |
Late Albian |
|
California |
Lucas-Clark,J. Wigginsiella, n.gen., Spongodinium and Apteodinium as members of the Aptiana-Ventriosum Complex (fossil dinophyceae). |
1987 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |