| original |
Paleocene |
|
Virginia |
Edwards,L.E. et al. Lower Tertiary, (Pamunkey Group), dinoflagellate biostratigraphy, Potomac River, Virginia and Maryland. (In: Cretaceous and Tertiary Stratigraphy, Paleontology and Structure, Southwestern Maryland and Northeastern Virginia. N.O.Frederiksen and K.Krafft, editors) |
1984 |
| original |
Late Paleocene |
|
Virginia |
Edwards,L.E. Dinoflagellate cysts from the Lower Tertiary Formations, Haynesville cores, Richmond County, Virginia. (In: Geology and paleontology of the Haynesville cores. Northeastern Virginia Coastal Plain. R.B.Mixon, editor) |
1989 |
| details |
Late Maastrichtian |
|
Maryland |
Landman,N.H. et al. Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina |
2004 |
| details |
Late Maastrichtian |
|
Maryland |
Landman,N.H. et al. Cephalopods from the Cretaceous/Tertiary Boundary Interval on the Atlantic Coastal Plain, with a description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina |
2004 |