Anderson, J. S., Reisz, R. R., Fröbisch, N. B., Scott, D., and Sumida, S. S.: A stem batrachian from the Early Permian of Texas and the origin of frogs and salamanders, Nature, 453, 515–518, 2008b.
Berman, D. S., Henrici, A. C., Brezinski, D. K., and Kollar, A. D.: A New Trematopid Amphibian (Temnospondyli: Dissorophoidea) from the Upper Pennsylvanian of Western Pennsylvania: Earliest Record of Terrestrial Vertebrates Responding to a Warmer, Drier Climate, Ann. Carnegie Mus., 78, 289–318, 2009.
Berman, D. S., Henrici, A. C., Martens, T., Sumida, S. S., and Anderson, J. S.:
Rotaryus gothae, a New Trematopid (Temnospondyli: Dissorophoidea) from the Lower Permian of Central Germany, Ann. Carnegie Mus., 80, 49–65, 2011.
Berman, D. S., Reisz, R. R., and Eberth, D. A.:
Ecolsonia cutlerensis, an early Permian dissorophid amphibian from the Cutler Formation of north-central New Mexico, New Mexico Bureau of Mines and Mineral Resources Circular, 191, 1–31, 1985.
Bolt, J. R.: Lissamphibian origins: possible protolissamphibian from the Lower Permian of Oklahoma, Science, 166, 888–891, 1969.
Bolt, J. R.: Cacops (Amphibia: Labyrinthodontia) from the Fort Sill locality, Lower Permian of Oklahoma, Fieldiana, Geology, 37, 61–73, 1977.
Bourget, H. and Anderson, J. S.: A New Amphibamid (Temnospondyli: Dissorophoidea) from the Early Permian of Texas, J. Vertebr. Paleontol., 31, 32–49, 2011.
Boy, J. A.: Die Branchiosaurier (Amphibia) des saarpfaelzischen Rotliegenden (Perm, SW-Deutschland), Abhandlungen des hessischen Landesamt fuer Bodenforschung, 65, 6–137, 1972.
Boy, J. A.: Studien über die Branchiosauridae (Amphibia: Temnospondyli) 1. Neue und wenig bekannte Arten aus dem mitteleuropäischen Rotliegenden (?oberstes Karbon bis unteres Perm), Palaeont. Z., 60, 131–166, 1986.
Boy, J. A.: Studien über die Branchiosauridae (Amphibia: Temnospondyli; Ober-Karbon – Unter-Perm. Systematische Übersicht, Neues Jahrbuch für Geologie und Paläontologie Abhandlungen, 174, 75–104, 1987.
Boy, J. A. and Sues, H.-D.: Branchiosaurs: Larvae, metamorphosis and heterochrony in temnospondyls and seymouriamorphs, in: Amphibian Biology, edited by: Heatwole, H. and Carroll, R. L., Volume 4, Surrey Beatty and Sons PTY limited, Chipping Norton, 1150–1197, 2000.
Carroll, R. L.: Early evolution of the dissorophoid amphibians, Bulletin of the Museum of Comparative Zoology, 131, 161–250, 1964.
Demar, R.: The Permian labyrinthodont amphibian
Dissorophus multicinctus, and adaptations and phylogeny of the family Dissorophidae, J. Paleontol., 42, 1210–1242, 1968.
Demar, R. E.: The phylogenetic and functionl implications of the armor of the Dissorophidae, Fieldiana, Geology, 16, 55–88, 1966.
Demar, R. E.: Two new species of Broiliellus (Amphibians) from the Permian of Texas, Fieldiana, Geology, 16, 117–129, 1967.
Fröbisch, N. B., Olori, J. C., Schoch, R. R., and Witzmann, F.: Amphibian development in the fossil record, Seminars in Cell and Developmental Biology, 21, 424–431, 2010.
Fröbisch, N. B. and Reisz, R. R.: A new Lower Permian amphibamid (Dissorophoidea, Temnospondyli) from the fissure fill deposits near Richards Spur, Oklahoma, J. Vertebr. Paleontol., 28, 1015–1030, 2008.
Fröbisch, N. B. and Reisz, R. R.: A new species of dissorophid (Cacops woehri) from the Lower Permian Dolese Quarry, near Richards Spur, Oklahoma, J. Vertebr. Paleontol., 32, 35–44, 2012.
Holmes, R. B., Berman, D. S., and Anderson, J. D.: A new dissorophid (Temnospondyli, Dissorophoidea) from the Early Permian of New Mexico (United States), C. R. Palevol, 12, 419–435, 2013.
Huttenlocker, A. K., Pardo, J. D., and Small, B. J.:
Plemmyradytes shintoni, gen. et sp. nov., an Early Permian amphibamid (Temnospondyli: Dissorophoidea) from the Eskridge Formation, Nebraska, J. Vertebr. Paleontol., 27, 316–328, 2007.
Lucas, S. G.: Global Permian tetrapod biostratigraphy and biochronology, edited by: Lucas, S. G., Cassinis, G., and Schneider, J. W., in: Non-marine Permian biostratography and biochronology, Volume 265, Geological Society of London, London, 65–93, 2006.
Maddin, H. C., Evans, D. C., and Reisz, R. R.: An early Permian varanodontine varanopid (Synapsida: Eupelycosauria) from the Richard Spurs locality, Oklahoma, J. Vertebr. Paleontol., 26, 957–966, 2006.
Maddin, H. C., Reisz, R. R., and Anderson, J. S.: Evolutionary development of the neurocranium in Dissorophoidea (Tetrapoda: Temnospondyli), an integrative approach, Evol. Dev., 12, 393–403, 2010.
Marjanović, D. and Laurin, M.: The origin(s) of extant amphibians: a review with emphasis on the "lepospondyl hypothesis", Geodiversitas, 35, 207–272, 2013.
May, W., Huttenlocker, A. K., Pardo, J. D., Benca, J., and Small, B. J.: New Upper Pennsylvanian armored dissorophid records (Temnospondyli, Dissorophoidea) from the U.S. midcontinent and the stratigraphic distributions of dissorophids, J. Vertebr. Paleontol., 31, 907–912, 2011.
Milner, A. R.: The relationships and origin of living amphibians, edited by: Benton, M. J., in: The phylogeny and classification of the tetrapods, Volume 1, Clarendon Press, Oxford, 59–102, 1988.
Milner, A. R.: The Paleozoic relatives of lissamphibians, Herpetol. Monogr., 7, 8–27, 1993.
Milner, A. R.: Mordex laticeps and the base of the Trematopidae, J. Vertebr. Paleontol., 27, 118A, 2007.
Polley, B. P. and Reisz, R. R.: A new Lower Permian trematopid (Temnospondyli: Dissorophoidea) from Richards Spur, Oklahoma, Zool. J. Linn. Soc.-Lond., 161, 789–815, 2011.
Reisz, R. R.:
Oromycter, a new caseid from the Lowen Permian of Oklahoma, J. Vertebr. Paleontol., 25, 905–910, 2005.
Romer, A. S.: Review of the Labyrinthodontia, Bulletin of the Museum of Comparative Zoology, 99, 1–352, 1947.
Schoch, R.: Heterochrony: the interplay between development and ecology exemplified by a Paleozoic amphibian clade, Paleobiology, 36, 318–334, 2010.
Schoch, R. R.: Skeleton formation in the Branchiosauridae: A case study in comparing ontogenetic trajectories, J. Vertebr. Paleontol., 24, 309–319, 2004.
Schoch, R. R.: Evolution of life cycles in early amphibians, Annu. Rev. Earth Pl. Sc., 37, 135–162, 2009.
Schoch, R. R.: Character distribution and phylogeny of the dissorophid temnospondyls, Foss. Rec., 15, 121–137, https://doi.org/10.5194/fr-15-121-2012, 2012.
Schoch, R. R.: Life cycles, plasticity and palaeoecology in temnospondyl amphibians, Palaeontology, 57, 517–529, 2014.
Schoch, R. R. and Milner, A. R.: Structure and implications of theories on the origins of lissamphibians, edited by: Arratia, G. and Wilson, M. V. H., Recent advances in the origin and early radiation of vertebrates, Verlag Dr. Friedrich Pfeil, Munich, 345–377, 2004.
Schoch, R. R. and Milner, A. R.: The intrarelationships and evolutionary history of the temnospondyl family Branchiosauridae, J. Syst. Palaeontol., 6, 409–431, 2008.
Sigurdsen, T. and Bolt, J. R.: The Lower Permian amphibamid Doleserpeton (Temnospondyli: Dissorophoidea), the interrelationships of amphibamids, and the origin of modern amphibians, J. Vertebr. Paleontol., 30, 1360–1377, 2010.
Sullivan, C. and Reisz, R. R.: First record of
Seymouria (Vertebrata: Seymouriamorpha) from Early Permian fissure fills at Richard Spur, Oklahoma, Can. J. Earth Sci., 36, 1257–1266, 1999.
Sullivan, C., Reisz, R. R., and May, W. J.: Large Dissorophoid Skeletal Elements from the Lower Permian Richards Spur Fissures, Oklahoma, and Their Paleoecological Implications, J. Vertebr. Paleontol., 20, 456–461, 2000.
Werneburg, R.:
Apateon dracyiensis – eine frühe Pionierform der Branchiosaurier aus dem europäischen Rotliegend, Teil 1: Morphologie, Veröffentlichungen des Naturhistorischen Museum Schleusingen, 16, 17–36, 2001.
Werneburg, R.:
Apateon dracyiensis – eine frühe Pionierform aus dem europäischen Rotliegend, Teil 2: Paläoökologie, Veröffentlichungen des Naturhistorischen Museum Schleusingen, 17, 17–32, 2002.
Werneburg, R.: The branchiosaurid amphibians from the Lower Permian of Buxières-les.Mines, Bourbon l'Archambault Basin (Allier, France) and their biostratigraphic significance, Bulletin Societé géologique Francais, 174, 343–349, 2003.
Williston, S. W.:
Cacops,
Desmospondylus; new genera of Permian vertebrates, Bull. Geol. Soc. Am., 21, 249–284, 1910.
Williston, S. W.: American Permian vertebrates, The University of Chicago Press, Chicago, 1911.
Witzmann, F. and Schoch, R. R.: The postcranium of
Archegosaurus decheni, and a phylogenetic analysis of temnospondyl postcrania, Palaeontology, 49, 1211–1235, 2006a.
Witzmann, F. and Schoch, R. R.: Skeletal development of the temnospondyl
Acanthostomatops vorax from the Lower Permian Döhlen Basin of Saxony, T. RSE Earth, 96, 365–385, 2006b.
Woodhead, J., Reisz, R., Fox, D., Drysdale, R., Hellstrom, J., Maas, R., Cheng, H., and Edwards, R. L.: Speleothem climate records from deep time? Exploring the potential with an example from the Permian, Geology, 38, 455–458, 2010.
