Reptiliomorpha phylogeny

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REPTILIOMORPHA
Taxonomy Phylogeny
o Tetrapoda crown group
`--o REPTILIOMORPHA 
   |--Embolomeri (=Anthracosauria)
   |?--Chroniosuchia
   `--o?--Gephyrostegidae
      `--+--Seymouriamorpha
         `--+--Westlothiana lizziae
            `--o--Diadectomorpha
               `--+--Casineria kiddi
                  `--o Amniota
                     |--Sauropsida
                     `--Synapsida



Contents

[edit] Phylogenetic Trees

The following two phylogenetic trees are from Mikko's Phylogeny Archive:

This phylogenetic tree needs to be wikified. This can be done by going to edit screen and placing ''italics'' around any generic or specific names and, where necessary, [[double angle brackets]] around appropriate taxa. For more help in editing Palaeos org pages, see the edit help page

[edit] After Laurin & Reisz, 1997

<==o Reptiliomorpha sensu Laurin & Reisz, 1997
  |-- †Tulerpeton curtum
  |?- †Eldeceeon rolfei
  |?- †Caerorhachis bairdi [Caerorhachidae]
  |?- †Tokosaurus [Tokosauridae]
  |?-o †Chroniosuchia Tatarinov, 1972
  |  `--o †Chroniosuchidae Vjuschkov, 1957
  |     |--o †Chroniosaurus Vjuschkov, 1957 
  |     |  |-- †C. paradoxus Vjuschkov, 1957 
  |     |  `-- †C. licharevi (Ryabinin, 1962)
  |     |--o †Chroniosuchus 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 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

[edit] After Paton, Smithson, & Clack, 1999

<==o Reptiliomorpha
  |-- †Tulerpeton curtum
  |?- †Eldeceeon rolfei
  |?- †Caerorhachis bairdi [Caerorhachidae]
  `--+-- †Anthracosauria
     `--+?- †Solenodonsaurus janenschi Broili, 1924 [Solenodonsauridae]
        |?- †Tokosaurus [Tokosauridae]
        |?-o †Chroniosuchidae
        |  |-- †Chroniosaurus
        |  `-- †Chroniosuchus
        |-- †Seymouriamorpha Watson, 1917
        `--o Amniotamorpha
           |?- Microsauria sensu Paton, Smithson, & Clack, 1999 [for more common location, see Basal Lepospondyli]
           |?- †Lysorophia
           `--o “Amniotaformes”
              |?- †Diadectomorpha
              `-- Amniota Haeckel, 1866

[edit] Palaeos com

The following tree from Palaoes com includes links to Mikko's Phylogeny and the Tree of Life Web Project

TETRAPODA MH, ToL
|--TEMNOSPONDYLI X MH, ToL 
`--+--LEPOSPONDYLI MH
  `--Reptiliomorpha MH
     |--Anthracosauroidea X
     |  |--Gephyrostegidae •X
     |  |--Eoherpeton •X
     |  `--Embolomeri X MH 
     |     |--+--Proterogyrinus •X
     |     |  `--Pholidogaster •X
     |     `--Eogyrinidae X
     |        |--Diplovertebron •X
     |        `--Pholiderpeton •X
     `--Batrachosauria
        |--Seymouriamorpha X ToL, MH
        |  |--Discosauriscus •X ToL
        |  `--Kotlassiidae •X
        `--Cotylosauria
           |--Diadectomorpha •X MH
           `--Amniota MH, ToL
              |--Sauropsida DC, MH
              |  |--Mesosauridae •X
              |  `--Reptilia
              |     |--ANAPSIDA
              |     `--EUREPTILIA 
              `--SYNAPSIDA

[edit] References

  • 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
  • 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

Special thanks to: Dols, J. H. M., for gathering additional information and species.

[edit] Credits

Phylogenetic trees and reference list © Mikko Haaramo; this page MAK061018

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