After Sues, Hopson & Shubin, 1992, Luo & Wu, 1994, Sues, Olsen & Kroehler, 1994, Flynn et al., 1999a, Flynn et al., 1999b, Abdala & Giannini, 2000, Abdala et al., 2002, Battail & Surkov, 2000, Abdalaet al., 2006, and Reichel, Schultz & Bento Soares, 2009
<==o †Traversodontidae von Huene, 1936 [= Huene, v. Huene] |?- †Colbertosaurus muralis |?- †Theropsodon njalilus von Huene, 1950 |?- †Habayia halbardieri |?- †Ischignathus sudamericanus Bonaparte, 1963 |?- †Mandagomphodon hirschsoni Hopson, 2013 |?- †Maubeugia lotharingica Godefroit & Battail, 1997 |?- †Microscalenodon nanus Hahn, Lepage & Wouters, 1988 |?- †Plinthogomphodon herpetairus Sues, Olsen & Carter, 1999 |?- †Rosieria delsatei Godefroit & Battail, 1997 |?- †Rusconiodon mignonei Bonaparte, 1970 |?- †“Scalenodon” attridgei `--+--+?-+-- †Arctotraversodon plemmyridon (Hopson, 1984) sensu Sues, Hopson & Shubin, 1992 [?Scalenodontoides plemmyridon Hopson, 1984] | | `-- †Boreogomphodon jeffersoni Sues & Olsen, 1990 | `--o †Luangwa Brink, 1963 | |-- †L. drysdalli Brink, 1963 | `-- †L. sudamericana Abdala & Sa-Teixeira, 2004 |--o †Scalenodon Crompton, 1955 | |-- †S. angustifrons (Parrington, 1946) | |-- †S. boreus Tatarinov, 1973 | `?- †S. charigi Crompton,l972 |--+-- †Pascualgnathus polanskii Bonaparte, 1966 | `-- †Andescynodon mendozensis Bonaparte, 1969 `--+-- †“Scalenodon” hirschsoni `--+-- †Traversodon stahleckeri Huene, 1936 `--+--+-- †Dadadon isaloi Flynn, Parrish, Rakotosamimanana, Ranivoharimanana, Simpson & Wys, 2000 | `-- †Santacruzodon hopsoni Abdala & Ribeiro, 2003 `--+--o †Massetognathus Romer, 1967 [Massetognathus teruggii, Massetognathus major, Megagomphodon oligodens] | |?- †M. ochagaviae Barberena, 1981 | `-- †M. pascuali Romer, 1967 [Massetognathus teruggii, Massetognathus major] `--+-- †Gomphodontosuchus brasiliensis Huene, 1928 `--+--o †Scalenodontoides Crompton & Ellenberger, 1957 | `-- †S. macrodontes Crompton & Ellenberger, 1957 `--+--o †Exaeretodon Cabrera, 1943 [Proexaeretodon Bonaparte, 1963; Theropsis] | |?- †E. argentinus Bonaparte, 1962 | |?- †E. vincei (Bonaparte, 1963) | |?- †E. major (Huene) Barbarena, 1974 [Traversodon? major Huene, 1935-42] | |-- †E. frenguellii Cabrera, 1943 | |-- †E. statisticae Chatterjee, 1982 | `-- †E. riograndensis Abdala, Barbarena & Dornelles, 2002 `--+-- †Menadon besairiei Flynn, Parrish, Rakotosamimanana, Ranivoharimanana, Simpson & Wys, 2000 `-- †Protuberum cabralensis Reichel, Schultz & Bento Soares, 2009
Reference(s):
- Abdala, F., Barbarena, M. C. & Dornelles, J., 2002: A new species of the traversodontid cynodont Exaeretodon from the Santa Maria Formation (Middle/Late Triassic) of Southern Brazil.
–Journal of Vertebrate Paleontology: Vol. 22, #2, pp. 313-325 - Abdala, F. & Giannini, N. P., 2000: Gomphodont cynodonts of the Chañres Formation: The analysis of an ontogenetic sequence.
–Journal of Vertebrate Paleontology: Vol. 20, #3, pp. 501-506 - Abdala, F., Neveling, J. & Welman, J., 2006: A new trirachodontid cynodont from the lower levels of the Burgersdorp Formation (Lower Triassic) of the Beaufort Group, South Africa and the cladistic relationships of Gondwanan gomphodonts.
–Zoological Journal of the Linnean Society: Vol. 147, pp. 383-413 - Abdala, F. & Ribeiro, A. M., 2003: A new traversodontid cynodont from the Santa Maria Formation (Ladinian-Carnian) of southern Brazil, with a phyliogenetic analysis of Gondwanan traversodontids.
–Zoological Journal of the Linnenan Society: Vol: 139, #4, pp. 529-545 - Abdala, F. & Sa-Teixeira, A. M., 2004: A traversodontid cynodont of African affinity in the South American Triassic.
–Palaeontologia Africana: Vol. 40, pp. 11-22 - Battail, B. & Surkov, M. V., 2000: Mammal-like reptiles from Russia. 86-119
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 - Dykes, T., 2001-2003: Personal correspondence.
- Flynn, J. J., Parrish, J. M., Rakotosamimanana, B., Ranivoharimanana, L., Simpson, W. F. & Wyss, A. R., 1999: New traversodontids (Synapsida: Eucynodontia) from the Triassic of Madagascar.
–Journal of Vertebrate Paleontology: Vol. 20, #3, pp. 422-427 - Flynn, J. J., Parrish, J. M., Rakotosamimanana, B., Simpson, W. F., Whatley, R. L., & Wyss, A. R., 1999: A Triassic fauna form Madagaskar, including early dinosaurs.
–Science: Vol. 286, 22 October, pp. 763-765 - Godefroit, P. & Battail, B., 1997: Late Triassic cynodonts from Saint-Nicolas-de-Port (north-eastern France).
–Geodiversitas: Vol. 19, #3, pp. 567-631 - Hopson, J. A., 2014: The Traversodontid Cynodont Mandagomphodon hirschsoni from the Middle Triassic of the Ruhuhu Valley, Tanzania.
in Kammerer, C. F., Angielczyk, K. D. & Fröbisch, J., (eds.) 2014: Early Evolutionary History of the Synapsida.
–Springer Netherlands, 2014, 233-253 - Luo, Z, & Wu, X-C., 1994: The small tetrapods of the Lower Lufeng Formation, Yunnan, China. 251-270
in Fraser, N. C. & Sues, H-D. (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-435 - Reichel, M., Schultz, C. L. & Bento Soares, M., 2009: A new traversodontid cynodont (Therapsida, Eucynodontia) from the Middle Triassic Santa Maria Formation of Rio Grande do Sul, Brazil.
–Palaeontology: Vol. 52, #1, pp. 229-250 [doi: 10.1111/j.1475-4983.2008.00824.x] - Sigogneau-Russell, D. & Hahn, G., 1994: Late Triassic microvertebrates from central Europe. 197-213
in Fraser, N. C. & Sues, H-D. (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-435 - Sues, H.-D., Hopson, J. A. & Shubin, N. H., 1992: Affinities of ?Scalenodontoides plemmyridon Hopson, 1984 (Synapsida: Cynodontia) from the Upper Triassic of Nova Scotia.
–Journal of Vertebrate Paleontology: Vol. 12, #2, pp. 168-171 - Sues, H.-D., Olsen, P. E. & Kroehler, P. A., 1994: Small tetrapods from the Upper Triassic of the Richmond basin (Newark Supergroup), Virginia. 161-170
in Fraser, N. C. & Sues, H-D. (eds.) 1994: In the Shadow of the Dinosaurs.
–Cambridge University Press, New York, 1994, x-435
Special thanks to:
Jos H. M. Dols, for gathering additional information and species of these animals.
Trevor Dykes, for a fruitful correpondence.