What is angel wings shells?

Angel wings shells, also known as Atlantic jackknife clams, are bivalve mollusks found in shallow waters along the eastern seaboard of North America. They are characterized by their thin, flat, triangular-shaped shells, which are often iridescent and range in color from pale yellow to dark brown. The shells are typically 3-4 inches long and are often used for crafts and jewelry making due to their unique shape and coloration. Angel wings shells are filter feeders and are known to be an important food source for a variety of marine animals, including shorebirds, crabs, and fish. Though they are not typically harvested for human consumption, they are occasionally used in seafood dishes in some regions of the world.