The shark teeth are from the Vincentown Formation, the steinkerns and bivalves are from the Hornerstown Formation. The fossils above were found at Crosswicks Creek in an area where both formations are present. Shark teeth (Carcharias samhammeri, Odontaspis aculeatus, Encodus petrosus, Acipenser sp., Carcharhinus gibbesi gilmorei), phosphatic snail steinkern (internal molds from gastropods, the big one is Gyrodes abyssinus Morton), and bivalves (Cucullaea vulgaris).
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