<Tr> <Td> Aublysodon </Td> <Td> Cretaceous </Td> <Td> carnivore </Td> <Td>--</Td> </Tr> <Tr> <Td> Avaceratops </Td> <Td> Cretaceous </Td> <Td> herbivore </Td> <Td>--</Td> </Tr> <Tr> <Td> Bambiraptor </Td> <Td> Cretaceous </Td> <Td> carnivore </Td> <Td>--</Td> </Tr> <Tr> <Td> Barosaurus </Td> <Td> Jurassic </Td> <Td> herbivore </Td> <Td>--</Td> </Tr>

Where have dinosaur fossils been found in the us