Which type of fossil could be found in the bedrock near dover Delaware?

In the bedrock near Dover, Delaware, you could primarily find fossils from the Cretaceous period, including marine fossils such as ammonites, bivalves, and marine reptiles. The area is known for its sedimentary rock formations, which often contain these types of fossils due to the ancient seas that once covered the region. Additionally, you may also encounter plant fossils and other invertebrates indicative of the coastal environments that existed millions of years ago.