Mikko's Phylogeny Archive

†Dyrosauridae – dyrosaurs

After Clark, 1994, Storrs & Efimov, 2000, Brochu, Bouaré, Sissoko, Roberts & O'Leary, 2002, Jouve, Iarochène, Bouya & Amaghzaz, 2005, and Jouve, 2007

<==o †Dyrosauridae de Stefano, 1903 (dryosaurids; dryosaurit)
   |-- †Chenanisuchus lateroculi Jouve, Bouya & Amaghzaz, 2005
   `--+--o †“Phosphatosaurinae” Buffetaut, 1979
      |  |-- †Sokotosuchus ianwilsoni Halstead, 1973
      |  `-- †Phosphatosaurus gavialoides (Bergounioux, 1954) Bergounioux, 1955 [Dyrosaurus gavialoides Bergounioux, 1954]
      `--o †“Hyposaurinae” Buffetaut, 1979
         |-- †Dyrosaurus phosphaticus (Thomas, 1893) Pomel, 1894a [taxonomic history]
         `--+?- †Guarinisuchus munizi Barbosa, Kellner & Viana, 2008; E.Pal. NWSAm.
            |-- †Arambourgisuchus khouribgaensis Jouve, Iarochène, Bouya & Amaghzaz, 2005; E.Pal. WNAf.
            |--o †Congosaurus Dollo, 1914
            |  |-- †C. bequaerti (Swinton, 1950) Jouve & Schwartz, 2004 [Hyposaurus bequaerti Swinton, 1950]
            |  `-- †C. compressus (Buffetaut, 1980) Jouve, 2007 [Rhabdognathus compressus Buffetaut, 1980]
            |--o †Rhabdognathus Swinton, 1930 [Rhabdosaurus Bergounioux, 1956] L.Cret. E.Eoc. WAf.
            |  |?- †R. rarus Swinton, 1930 [type, nomen dubium sensu Jouve, 2007]
            |  |?- †R. acutidentatus (Bergounioux, 1956) Buffetaut, 1978c [Rhabdosaurus acutidentatus Bergounioux, 1956] [nomen dubium, type lost]
            |  |-- †R. sp. [Langston, 1995] [Saudi Arabia]
            |  |-- †R. sp. [Brochu et al., 2002] [Mali]
            |  |-- †R. keiniensis Jouve, 2007 [R. rarus Swinton, 1930 (in partim)]
            |  `-- †R. aslerensis Jouve, 2007
            `--o †Hyposaurus Owen, 1849 [Sokotosaurus Swinton, 1930; Wurnosaurus Swinton, 1930] L.Cret.-E.Pal. ENAm.
               |?- †H. sp. [Nigeria] [Sokotosaurus nopcsai Swinton, 1930; Hyposaurus nopcsai; Buffetaut, 1980; nomen dubium sensu Jouve, 2007]
               |?- †H. sp. [Mali] [Wurnosaurus wilsoni Swinton, 1930; Hyposaurus wilsoni; Buffetaut, 1980; nomen dubium sensu Jouve, 2007]
               |?- †H. sp. [Marocco]
               |-- †H. rogersii Owen, 1849
               |-- †H. paucidens Arambourg, 1952
               |-- †H. derbianus Cope, 1885
               `-- †H. natator [H. rogersii??]

Dyrosauridae incertae sedis:

    †Atlantosuchus coupatezi Buffetaut & Wouters, 1979
    †Tilemsisuchus lavocati Buffetaut, 1979

<==o †Dyrosauridae
   |-- †Chenanisuchus
   `--+--+-- †Sokotosuchus
      |  `-- †Phosphatosaurus
      `--+-- †Dyrosaurus
         `--+-- †Hyposaurus rogersii
            `--+-- †Guarinisuchus
               |-- †Arambourgisuchus
               `-- †Rhabdognathus

Reference(s):

• Barbosa, J. A., Kellner, A. W. A. & Viana, M. S. S., 2008: New dyrosaurid crocodylomorph and evidences for faunal turnover at the K–P transition in Brazil.
  –Proceedings of the Royal Society B: Biological Sciences: Vol. 275, #1641, pp. 1385-1391 [doi: 10.1098/rspb.2008.0110]
• Brochu, C. A. 1997: A review of "Leidyosuchus" (Crocodyliformes, Eusuchia) from the Cretaceous through Eocene of North America.
  –Journal of Vertebrate Paleontology: vol. 17, #4, pp. 679-697
• Brochu, C. A., Bouaré, M. L., Sissoko, F., Roberts, E. M. & O'Leary, M. A., 2002: A dyrosaurid crocodyliform brancase from Mali.
  –Journal of Paleontology: Vol. 76, #6, pp. 1060-1071
• 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.

• Clark, J. M. 1994: Patterns of evolution in Mesozoic Crocodyliformes. 84-97.
  in Fraser, N. C. & Sues, H-D. 1994: In the Shadow of the Dinosaurs.
  –Cambridge University Press, New York, 1994
• Hill, R. V., McCartney, J. B., Roberts, E. M., Bouaré, M. L., Sissoko, F. & O'Leary, M. A., 2008: Dyrosaurid (Crocodyliformes: Mesoeucrocodylia) fossils from the Upper Cretaceous and Paleogene of Mali: implications for phylogeny and survivorship across the K/T boundary.
  –American Museum Novitates: Vol. #3631, pp. 1-19
• Jouve, S., 2005: A new description of the skull of Dyrosaurus phosphaticus (Thomas, 1893) (Mesoeucrocodylia: Dyrosauridae) from the Lower Eocene of North Africa.
  –Canadian Journal of Earth Sciencies: Vol. 42, pp. 323-337
• Jouve, S., 2007: Taxonomic revision of the Dyrosaurid assemblage (Crocodyliformes: Mesoeucrocodylia) from the Paleocene of the Iullemmeden Basin, west Africa.
  –Journal of Paleontology: Vol. 81, #1, pp. 163-175 [doi: 0022-3360/07/0081-163]
• Jouve, S., Bouya, B. & Amaghzaz, M., 2005: A short-snouted dyrosaurid (Crocodyliformes, Mesoeucrocodylia) from the Palaeocene of Marocco.
  –Palaeontology: Vol. 48, #2, pp. 359-369
• Jouve, S., Iarochène, M., Bouya, B. & Amaghzaz, M., 2005: A new dyrosaurid crocodyliform from the Palaeocene of Marocco and a phylogenetic analysis of Dyrosauridae.
  –Acta Palaeontologica Polonica: Vol. 50, #3, pp. 581-594 [http://app.pan.pl/acta50/app50-581.pdf]
• Schwarz, D., Frey, E. & Martin, T., 2006: The postcranial skeleton of the Hyposaurinae (Dyrosauridae; Crocodyliformes).
  –Palaeontology: Vol. 49, #4, pp. 695-718 [doi: 10.1111/j.1475-4983.2006.00563.x]
• Storrs, G. W. & Efimov, M. B., 2000: Mesozoic crocodyliforms of north-central Eurasia. 402-419
  in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia.
  –Cambridge University Press, Cambridge, 2000 xxxix-696