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Discosauriscus
Fossil range: Early Permian
Discos2
Discosauriscus pulherrimus
Scientific classification

Order:

Seymouriamorpha

Family:

Discosauriscidae

Genus:

Discosauriscus Kuhn, 1933

Species:

  • D.austriacus
  • D.pulcherrimus

Discosauriscus was a small reptiliomorph that lived in Central and Western Europe in the Lower Permian Period. Its best fossils have been found in Boskovice Furrow, in the Czech Republic.

ClassificationEdit

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.[1]

CharacteristicsEdit

Discosauriscids are only known from juvenile forms[2] and three ontogenetic stages can be distinguished. [3]Discosauriscus had wide jaws with sharp teeth, short limbs and relatively long tail.[4] The phalangeal formula was 2-3-4-5-3 for both hind- and forelimbs. The body was covered with rounded scales with concentric rings, and a well preserved lateral-line system has been described.[5]

It has been suggested that Discosauriscus may have had electroreceptive organs[6].

ReferencesEdit

  1. ^ Klembara J. 1997. The cranial anatomiy of the Permian Tetrapod Discosauriscus, Kuhn 1933 from the Boskovice Forrow (Czech Republic)
  2. ^ Carroll, R.L. 1988. Vertebrate Paleontology and Evolution, pp 176. WH Freeman and Company, New York ISBN 0-7167-1822-7
  3. ^ Klembara, Jozef. 1996. Discosauriscus. Version 01 January 1996. http://tolweb.org/Discosauriscus/17544/1996.01.01 in The Tree of Life Web Project, http://tolweb.org/
  4. ^ dinosaurier-news - Discosauriscus: Ein Amphibium aus der Permzeit
  5. ^ Klembara, Jozef. 1996. Discosauriscus. Version 01 January 1996. http://tolweb.org/Discosauriscus/17544/1996.01.01 in The Tree of Life Web Project, http://tolweb.org/
  6. ^ Klembara, J, Electroreceptors in the Lower Permian tetrapod Discosauriscus austriacus,Palaeontology, Vol 37, part 3, (1994)

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