| details |
Neocomian |
Middle Albian |
Canada(NWT,Mackenzie) |
Barnes,C.R. et al. Biostratigraphic determinations of fossils from the subsurface of the Districts of Franklin, Keewatin and MacKenzie and the Yukon Territory. |
1974 |
| details |
Neocomian |
|
India(Andhra Pradesh) |
Kumar,A. Neocomian assemblage of dinocysts and acritarchs from the subsurface sediments of Krishna-Godavari Basin, Andhra Pradesh, India |
1982 |
| details |
Senonian |
|
Mexico |
Rouse,G.E. Palynological dating and paleoreconstruction of three gold and silver orebodies in the western Cordillera of Canada, United States and Mexico. (In: Palynology of Ore Deposits. E.I. Robbins, editor) |
1990 |