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Reiszerpeton Temporal range: Early Permian
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Temnospondyli
Family:	†Dissorophidae
Genus:	†Reiszerpeton Maddin et al., 2013
Type species
†Reiszerpeton renascentis Maddin et al., 2013

Reiszerpeton is an extinct genus of dissorophid temnospondyl known from the Early Permian Archer City Formation of Texas. It is known solely from the holotype, MCZ 1911, a complete skull. This specimen was originally referred to the amphibamiform Tersomius texensis. A reappraisal of the holotype of T. texensis and a number of other referred specimens by Maddin et al. (2013) noted a number of differences from both T. texensis and amphibamiforms more broadly that suggested affinities with the Dissorophidae. This was confirmed by a phylogenetic analysis, which placed it as the sister taxon to the Eucacopinae (Cacops + Zygosaurus + Kamacops). Reiszerpeton is known only from the type species, R. renascentis, which was named for Canadian paleontologist Robert Reisz. The species name refers to the recognition of Reisz as a "renaissance paleontologist." It is differentiated from other dissorophids by its small size, small and more numerous maxillary teeth, smooth cranial ornamentation, and greater distance between the orbit and the otic notch.

Phylogeny

Below is the 50% majority rule consensus tree from Maddin et al. (2013):

References

1. Carroll, Robert L. (1964). "Early evolution of the dissorophid amphibians". Bulletin of the Museum of Comparative Zoology. 131 (7): 161–250 – via Biodiversity Heritage Library.
2. Maddin, H. C.; Fröbisch, N. B.; Evans, D. C.; Milner, A. R. (2013). "Reappraisal of the Early Permian amphibamid Tersomius texensis and some referred material". Comptes Rendus Palevol. 12 (7–8): 447–461. doi:10.1016/j.crpv.2013.06.007.

v t e Dissorophoidea
Kingdom: Animalia Phylum: Chordata Clade: Tetrapodomorpha Order: Temnospondyli Tetrapodomorpha see Tetrapodomorpha Temnospondyli see Temnospondyli Dissorophoidea see below↓ Dissorophoidea
Dissorophoidea Stegops Micromelerpetontidae Branchierpeton Eimerisaurus Limnogyrinus Micromelerpeton Nyranerpeton Olsoniformes Palodromeus Trematopidae Acheloma Actiobates Anconastes Ecolsonia Fedexia Mattauschia Mordex Phonerpeton Rotaryus Tambachia Dissorophidae Anakamacops Arkanserpeton Aspidosaurus Astreptorhachis Iratusaurus Nooxobeia Platyhystrix Dissorophinae Broiliellus Diploseira? Dissorophus Eucacopinae Brevidorsum Cacops Conjunctio Kamacops Parioxys? Reiszerpeton Scapanops Zygosaurus Amphibamiformes Eoscopus Georgenthalia Gerobatrachus Kermitops Limnerpeton Nanobamus Platyrhinops Plemmyradytes Rubeostratilia Micropholidae Micropholis Pasawioops Tersomius Amphibamidae sensu stricto Amphibamus Doleserpeton Branchiosauridae Apateon Branchiosaurus Leptorophus Melanerpeton Milnererpeton Piasimotriton Schoenfelderpeton Tungussogyrinus Xerodromeus Lissamphibia? see Lissamphibia
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• Dissorophids
• Cisuralian temnospondyls of North America
• Permian geology of Texas
• Fossil taxa described in 2013
• Prehistoric amphibian genera
• Paleontology in Texas
• Permian animal stubs
• Temnospondyli stubs