Discosauriscidae

Discosauriscidae Temporal range: Early Permian
Fossil of Discosauriscus austriacum in the Museo Civico di Storia Naturale di Milano
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Order:	†Seymouriamorpha
Family:	†Discosauriscidae Haubold 1971
Genera[1]
Ariekanerpeton Discosauriscus Makowskia Spinarerpeton

Discosauriscidae is a family of stegocephalians from the early Permian. They belong to the Seymouriamorpha, but their affinites to extant tetrapods are debated. They have long been considered reptiliomorphs,^[2] but some recent analyses suggest that they are stem-tetrapods.^[3][4][5]

References

1. Klembara, J. (2009). The skeletal anatomy and relationships of a new discosauriscid seymouriamorph from the lower Permian of Moravia (Czech Republic). Annals of Carnegie Museum 77(4):451-483.
2. Panchen, A. L. and Smithson, T. R. 1988. The relationships of the earliest tetrapods. Pp. 1-32 in Benton, M. J. (ed), The Phylogeny and Classification of the Tetrapods, Volume 1: Amphibians, Reptiles, Birds. Clarendon Press, Oxford.
3. Vallin, G; Laurin, M (2004). "Cranial morphology and affinities of Microbrachis, and a reappraisal of the phylogeny and lifestyle of the first amphibians". Journal of Vertebrate Paleontology 24: 56–72. doi:10.1671/5.1.
4. Marjanović, D.; Laurin, M. (2009). "The origin(s) of modern amphibians: a commentary". Evolutionary Biology 36 (3): 336–338. doi:10.1007/s11692-009-9065-8.
5. Laurin, M. (2010). How Vertebrates Left the Water. Berkeley, California, USA.: University of California Press. ISBN 978-0-520-26647-6.