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Discosauriscus : ウィキペディア英語版 | Discosauriscus
''Discosauriscus'' was a small stegocephalian that has long been considered a reptiliomorph,〔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.〕 but that some recent analyses place among stem-tetrapods.〔Laurin M. (1998): The importance of global parsimony and historical bias in understanding tetrapod evolution. Part I-systematics, middle ear evolution, and jaw suspension. ''Annales des Sciences Naturelles'', Zoologie, Paris, 13e Series 19: pp 1-42.〕 It lived in what is now Central and Western Europe in the Early Permian Period. Its best fossils have been found in Boskovice Furrow, in the Czech Republic. ==Classification== ''Discosauriscus'' belongs in alternative classifications to the order Anthracosauria or Seymouriamorpha, and is the type genus of the family Discosauriscidae. Currently recognised are two valid species - ''Discosauriscus austriacus'' and ''Discosauriscus pulcherrimus''. ''Letoverpeton'' is a junior synonym of ''Discosauriscus''.
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