List of fossiliferous stratigraphic units in Delaware
# List of fossiliferous stratigraphic units in Delaware

This article contains a list of fossil-bearing stratigraphic units in the state of Delaware, U.S.

## Sites

| Group or Formation | Period |
| - | - |
| Chesapeake Group/Calvert Formation | Neogene |
| Crosswicks Clay | Cretaceous |
| Englishtown Formation | Cretaceous |
| Marshalltown Formation | Cretaceous |
| Matawan Formation | Cretaceous |
| Merchantville Formation | Cretaceous |
| Mount Laurel Formation | Cretaceous |
