Classification of Bedell, Jr. and Trexler 2005

G. †Diplodocus Marsh 1878
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†Diplodocus carnegii Hatcher 1901
†Diplodocus hayi Holland 1924
†Diplodocus lacustris Marsh 1884
†Diplodocus longus Marsh 1878
G. †Brachiosaurus Riggs 1903
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†Brachiosaurus brancai Janensch 1914
G. †Tornieria Sternfeld 1911
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†Tornieria robusta Fraas 1908
G. †Camarasaurus Cope 1877
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†Camarasaurus lentus Marsh 1889