Mikko's Phylogeny Archive

Reptiliomorpha – amniote-like tetrapods

After Laurin & Reisz, 1997

Alternative phylogeny after Paton, Smithson, & Clack, 1999

<==o Reptiliomorpha sensu Laurin & Reisz, 1997
   |-- †Tulerpeton curtum
   |?- †Eldeceeon rolfei
   |?- †Caerorhachis bairdi [Caerorhachidae]
   |?- †Tokosaurus [Tokosauridae]
   |?-o †Chroniosuchia Kuhn, 1972 [ChroniosuchidaTatarinov, 1972]
   |  |?-o †Bystrowianidae Vjuschkov, 1957 [has been treated as Kotlassiid seymouriamorphs ()]
   |  |  |--o †Axitectum Shishkin & Novikov, 1992
   |  |  |  |-- †A. vjushkovi Shishkin & Novikov, 1992
   |  |  |  `-- †A. georgi Shishkin & Novikov, 1992
   |  |  |-- †Bystrowiana permira Vjuschkov, 1957
   |  |  |-- †Bystrowiella
   |  |  |-- †Dromotectum spinosum Novikov & Shishkin, 1996
   |  |  `-- †Synesuchus muravjevi Novikov & Shishkin, 2000
   |  `--o †Chroniosuchidae Vjuschkov, 1957
   |     |--o †Chroniosuchus Vjuschkov, 1957 
   |     |  |-- †C. paradoxus Vjuschkov, 1957 
   |     |  `-- †C. licharevi (Ryabinin, 1962)
   |     |--o †Chroniosaurus Tverdokhlebova, 1972
   |     |  |-- †C. dongusensis (Tverdokhlebova, 1972)
   |     |  `-- †C. levis Golubev, 1998
   |     |-- †Jarilinus mirabilis (Vjuschkov, 1957)
   |     |-- †Uralerpeton tverdokhlebovae Golubev, 1998
   |     `-- †Suchonica vladimiri Golubev, 1998
   `--+-- †Emblomeri Cope, 1884 [Anthracosauroideae Watson, 1929]
      `--o Batrachomorpha sensu Laurin & Reisz, 1997 [Batrachosauria Gauthier et al., 1988]
         |--o †Gephyrostegida
         |  `--o †Gephyrostegidae Jaekel, 1909
         |     |-- †Gephyrostega bohemicus 
         |     |-- †Bruktererpeton
         |     `--o †Eusauropleura
         |        `-- †E. digitata (Cope, 1868)
         `--+-- †Seymouriamorpha Watson, 1917
            `--+-- †Solenodonsaurus janenschi Broili, 1924 [Solenodonsauridae]
               `--o Tetrapoda Haworth, 1825 sensu stricto [the last common ancestor of modern amphibians and amniotes]
                  |-- Amphibia Gray, 1825 sensu Laurin, 1998a [Lepospondyli Zittel, 1888 sensu Laurin & Reisz, 1997]
                  `--+-- †Westlothiana lizziae Smithson & Rolfe, 1990
                     `--o Cotylosauria [Amniota sensu Lee & Spencer, 1997]
                        |-- †Diadectomorpha
                        `-- Amniota Haeckel, 1866 (vesikalvolliset selkärankaiset)

<==o Reptiliomorpha
   |-- †Tulerpeton
   |?- †Eldeceeon
   |?- †Caerorhachis [Caerorhachidae]
   `--+-- †Anthracosauria
      `--+?- †Solenodonsaurus [Solenodonsauridae]
         |?- †Tokosaurus [Tokosauridae]
         |?-o †Chroniosuchidae
         |  |-- †Chroniosaurus
         |  `-- †Chroniosuchus
         |-- †Seymouriamorpha
         `--o Amniotamorpha
            |?- Microsauria
            |?- †Lysorophia
            `--o “Amniotaformes”
               |?- †Diadectomorpha
               `-- Amniota

Reference(s):

• Carroll, R. L., 1988: Vertebrate paleontology and evolution.
  –W. H. Freeman and company, New York, 1988, 698
• Carroll, R. L., 1988: Appendix. 594-648.
  in Carroll, R. L. 1988: Vertebrate paleontology and evolution.
  –W. H. Freeman and company, New York, 1988, 698
• Clack, J. A., 1998: A new Early Carboniferous tetrapod with a mélange of crown-group characters.
  –Nature: vol. 394, 2 July, pp. 66-69
• Laurin, M., 2001: Solenodonsaurus
  –iNet: The Tree of Life Project: http://tolweb.org/tree/eukaryotes/chordata/solenodonsaurus/solenodonsaurus.html
• Laurin, M., 2001: Terrestrial vertebrates: Stegocephalians: Tetrapods and other digit-bearing vertebrates.
  –iNet: The Tree of Life Project: http://tolweb.org/tree/eukaryotes/chordata/terrestrial_vertebrates.html
• Laurin, M. & Reisz, R. R., 1997: A new perspective on tetrapod phylogeny. 9-59
  in Sumida, S. S. & Martin, K. L. M., 1997: Amniote origins: Completing the trasition to Land.
  –Academic Press, San Diego, 1997, pp. x-510
• Lee, M. Y. S. & Spencer, P. S., 1997: Crown-clades, key characters and taxonomic stability: When is an amniote not an amniote? 61-84
  in Sumida, S. S. & Martin, K. L. M., 1997: Amniote origins: Completing the trasition to Land.
  –Academic Press, San Diego, 1997, pp. x-510
• Novikov, I. V., Shishkin, M. A., & Golubev, V. K., 2000: Permian and Triassic anthracosaurs from Eastern Europe. pp. 60-70
  in Benton, M. J., Shishkin, M. A., Unwin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of dinosaurs in Russia and Mongolia.
  –Cambridge University Press, Cambridge, UK ; New York, 2000, xxxix-696
• Paton, R. L., Smithson, T. R., & Clack, J. A., 1999: An amniote-like skeleton from the Early Carboniferous of Scotland.
  –Nature: Vol. 398, 8 April, pp. 508-513
• Ruta, M. & Milner A. R. & Coates, M. I., 2000: The Scottish Carboniferous tetrapod Caerorhachis bairdi
  –Journal of Vertebrate Paleontology: Vol. 20, #3, suppl. to #3