Paleontology Marine reptiles, Fossil History Vocational guidance Librarians Mosasaurus Occupations Cretaceous Geologic Period Eurypterida Extinct reptiles Plesiosauria African American motion picture producers and directors African American women Carcharocles megalodon Cashiers Delivery of goods Foreign relations Grocery trade Marine animals, Fossil Motion picture producers and directors Professional motor vehicle drivers Turtles, Fossil Women motion picture producers and directors World politics African American women tennis players African Americans Air pilots Ballerinas Basilosaurus Black motion picture producers and directors