List of fossiliferous stratigraphic units in Delaware

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

See also

References

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