Articles | Volume 18, issue 1
https://doi.org/10.5194/fr-18-73-2015
https://doi.org/10.5194/fr-18-73-2015
Research article
 | 
27 Jan 2015
Research article |  | 27 Jan 2015

New specimen of Cacops woehri indicates differences in the ontogenetic trajectories among cacopine dissorophids

N. B. Fröbisch, A. Brar, and R. R. Reisz

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Cited articles

Anderson, J. S.: Focal review: The origin(s) of modern amphibians, Evol. Biol., 35, 231–247, 2008.
Anderson, J. S. and Bolt, J. R.: New Information on Amphibamids (Tetrapoda, Temnospondyli) from Richards Spur (Fort Sill), Oklahoma, J. Vertebr. Paleontol., 33, 553–567, 2013.
Anderson, J. S., Henrici, A., Sumida, S. S., Martens, T., and Berman, D. S.: Georgenthalia clavinasica, a new genus and species of dissorophoid temnospondyl from the early Permian of Germany, and the relationships of the family Amphibamidae, J. Vertebr. Paleontol., 28, 61–75, 2008a.
Anderson, J. S. and Reisz, R. R.: A new microsaur (Tetrapoda: Lepospondyli) from the Lower Permian of Richards Spur (Fort Sill), Oklahoma, Can. J. Earth Sci., 40, 499–505, 2003.
Anderson, J. S. and Reisz, R. R. Pyozia mesenensis, a new small varanopid (Syapsida, Eurepelycosauria) from Russia: "pelycosaur" diversity in the middle Permian, J. Vertebr. Paleontol., 24, 173–179, 2004.
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Short summary
Here we describe a large specimen of the Paleozoic dissorophid amphibian Cacops woehri from the Fort Sill locality in Oklahoma, which was previously only known from a partial juvenile skull. The new data show that, in contrast to the closely related species C. morrisi, C. woehri underwent only subtle changes in skull morphology in late ontogeny, which indicates different functional demands possibly associated with a different ecology.