| details |
Late Albian |
|
Wyoming |
Ravn,R.L. Miospores from the Muddy Sandstone, (Upper Albian), Wind River Basin, Wyoming, USA. |
1995 |
| details |
Albian |
Cenomanian |
Utah |
Garrison,J.R. et al. A multidisciplinary study of the Lower Cretaceous Cedar Mountain Formation, Mussentuchit Wash, Utah: a determination of the paleoenvironment and paleoecology of the Eolambia caroljonesa dinosaur quarry |
2007 |
| details |
Cenomanian |
|
Oklahoma |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |
| details |
Middle Cenomanian |
|
Iowa |
Ravn,R.L. et al. The palynostratigraphy of the Dakota Formation, (?Late Albian-Cenomanian) in its type area, northwestern Iowa and northeastern Nebraska, USA. |
1995 |
| details |
Late Albian |
|
Alaska(North Slope) |
Ufnar,D.F. et al. High latitude meteoric d18O compositions: Paleosol siderite in the Middle Cretaceous Nanushuk Formation, North Slope, Alaska. |
2004 |