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The Crosswicks Clay is a geologic formation in Delaware. It preserves fossils dating back to the Cretaceous period.^{[ citation needed ]}

See also

• List of fossiliferous stratigraphic units in Delaware
• Paleontology in Delaware

References

• Various Contributors to the Paleobiology Database^{[ where? ]}. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.^{[ user-generated source? ]}

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