In a message dated 9/10/01 7:20:31 PM EST, rbi@dana.ucc.nau.edu writes: << Lucas does not formally synonymize Seismosaurus with Diplodocus. Only in the abstract does he actually say Seismosaurus=Diplodocus, and throughtout the rest of the article refers to the animal as "Seismosaurus" hallorum. >> I think he does synonymize it in a different article in the same volume.