After Upchurch, 1998, Salgado, Garrido, S.E. Cocca & J.R. Cocca, 2004, and Rauhut, Remes, Fechner, Cladera & Puerta, 2005, with Rebbachisaurid phylogeny from Sereno et al., 2007

Alternative phylogeny of Diplodocimorpha after J.A. Wilson & Sereno, 1998, and J.A. Wilson, 2002

<==o †Diplodocimorpha Upchurch, 1998 [non? Calvo & Salgado, 1995]
   |?-o †Amphicoelias Cope, 1877d; L.Jur. WNAm.
   |  |-- †A. altus Cope, 1877d [AMNH 5764]
   |  `?- †A. fragillimus Cope, 1878c [AMNH 5777, type lost]
   `--o Diplodocoidea Marsh, 1884 sensu Upchurch, 1995
      |--o †Rebbachisauroidea Apesteguía, 2007 [Rebbachisauridae sensu Sereno, 2007]
      |  |?- †Rayososaurus agrioensis Bonaparte, 1996
      |  |-- †Nopcsaspondylus alarconensis Apesteguía, 2007
      |  |-- †Histriasaurus boscarollii Dalla Vecchia, 1998
      |  `--o †Rebbachisauridae Bonaparte, 1997
      |     `--+-- †Rebbachisaurus garasbae Lavocat, 1954
      |        `--+--+-- ̸Demandasaurus darwini Fernández-Baldor, Canudo, Huerta, Montero, Suberbiola & Salgado, 2011 [“Spanish rebbachisaurid”]
      |           |  `-- †Nigersaurus taqueti Sereno et al., 1999 [incl. †Rebbachisaurus tamesnensis Lapparent, 1960a]
      |           `--+-- †Zapalasaurus bonapartei Salgado, de Souza Carvalho, & Garrido, 2006
      |              `--+-- †Limaysaurus tessonei (Calvo & Salgado, 1995) Salgado, Garrido, Cocca, S. E. & Cocca, J. R., 2004 [Rebbachisaurus tessonei Calvo & Salgado, 1995; Limaysaurus tessonei Calvo & Salgado, 1995 (nomen nudum)]
      |                 `-- †Cathartesaura anaerobica Gallina & Apesteguía, 2005
      `--+-- †Amazonsaurus maranhensis de Souza Carvalho, dos Santos Avilla & Salgado, 2003
         `--o †Flagellicaudata Harris & Dodson, 2004
            |--+-- †Suuwassea emilieae Harris & Dodson, 2004
            |  `-- †Diplodocidae Marsh, 1884 (diplodocids; diplodokukset, piiskahännät)
            `--o †Dicraeosauridae Janensch, 1929b [Diplodocidae: Dicraeosaurinae Janensch, 1929b]
               |?- †Dyslocosaurus polyonychius McIntosh, Coombs & Russell, 1992
               |-- †Amargasaurus cazaui Salgado & Bonaparte, 1991
               `--+-- †Brachytrachelopan mesai Rauhut, Remes, Fechner, Cladera & Puerta, 2005
                  `--o †Dicraeosaurus Janensch, 1914
                     |-- †D. hansemanni Janensch, 1914
                     `-- †D. sattleri Janensch, 1914


After Tschopp, Mateus & Benson, 2015

<==o †Diplodocoidea
   |--o †Rebbachisauridae
   |  |-- †Zapalasaurus
   |  `--+--+-- †Demandasaurus
   |     |  `-- †Nigersaurus
   |     `--+-- †Limaysaurus
   |        `-- †Cathartesaura
   `--+-- †Haplocanthosaurus priscus
      `--+--+-- †Cetiosauriscus stewartii
         |  `-- †Barosaurus affinis
         `--o †Flagellicaudata
            |-- †Diplodocidae
            `--o †Dicraeosauridae
               |-- †Dyslocosaurus
               `--+-- †Suuwassea
                  `--+-- †Brachytrachelopan
                     `--+-- †Amargasaurus
                        `-- †Dicraeosaurus

Reference(s):

  • Tschopp, E., Mateus, O. & Benson, R. B. J., 2015: A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda).
    –PeerJ: Vol. 3, pp. e857 [doi: 10.7717/peerj.857]

After Gallina, Apesteguía, Haluza & Canale, 2014 (based on datamatrix from Mannion et al., 2011)

<==o †Diplodocoidea
   |-- †Haplocanthosaurus
   `--o Diplodocoidea
      |?- †Amazonsaurus
      |--o †Rebbachisauridae
      |  |-- †Rayososaurus
      |  |-- †Histriasaurus
      |  |-- †Rebbachisaurus
      |  |-- †Zapalasaurus
      |  `--+--+-- †Cathartesaura
      |     |  `-- †Limaysaurus
      |     `--+-- †Demandasaurus
      |        `-- †Nigersaurus
      `--o †Flagellicaudata
         |--o †Dicraeosauridae
         |  |-- †Suuwassea emilieae
         |  `--+-- †Amargasaurus
         |     `--+-- †Brachytrachelopan
         |        `-- †Dicraeosaurus
         `-- †Diplodocidae

Reference(s):

  • Gallina, P. A., Apesteguía, S., Haluza, A. & Canale, J. I., 2014: A Diplodocid Sauropod Survivor from the Early Cretaceous of South America.
    –Plos One: Vol. 9, #5, pp. e97128 [doi: 10.1371/journal.pone.0097128]

After Remes, 2006

<==o †Diplodocoidea
   |-- †Haplocanthosaurus
   `--+--+-- †Nigersaurus
      |  |-- †Rayososaurus
      |  `-- †Rebbachisaurus
      `--+--+-- †Dicraeosaurus
         |  `-- †Amargasaurus
         `--+-- †Suuwassea
            |-- †Apatosaurus
            `--o †Diplodocinae
               |-- †Tornieria
               `--+-- †Barosaurus
                  `-- †Diplodocus


Reference(s):

  • Remes, K., 2006: Revision of the Tendaguru sauropod dinosaur Tornieria africana (Fraas) and its relevance for sauropod paleobiogeography.
    –Journal of Vertebrate Paleontology: Vol. 26, #3, pp. 651-669 [doi: 10.1671/0272-4634(2006)26[651:rottsd]2.0.co;2]

After J.A. Wilson & Sereno, 1998, J.A. Wilson, 2002, and Sereno et al., 2007

<==o †Diplodocoidea
   |-- †Haplocanthosaurus
   `--o Diplodocoidea
      |?- †Amazonsaurus
      |--o †Rebbachisauridae
      |  |?- †Rayososaurus
      |  |-- †Histriasaurus
      |  `--+-- †Rebbachisaurus
      |     `--+--+-- “Spanish rebbachisaurid”
      |        |  `-- †Nigersaurus
      |        `--+-- †Zapalasaurus
      |           `--+-- †Limaysaurus
      |              `-- †Cathartesaura
      `--o †Flagellicaudata
         |-- †Suuwassea emilieae
         |-- †Diplodocidae
         `--o †Dicraeosauridae
            |-- †Amargasaurus
            `--+-- †Brachytrachelopan
               `-- †Dicraeosaurus

Note:

The only difference in analysis done by Upchurch (1998) and Wilson (2002) is the position of genus Haplocanthosaurus. In Upchurch's analysis it lies below the Diplodocimorpha-Macronaria dichonomy, i.e. outside of the Neosauropoda.

Wilson places Haplocantosaurus within the Diplodocimorpha [his Diplodocoidea] as the most primitive member of the clade.

Rebbachisaurid phylogeny is based on Sereno et al., 2007

 

Reference(s):