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Madygenerpeton
''Madygenerpeton'' is an extinct genus of chroniosuchid reptiliomorph from middle and upper Triassic deposits of Madygen Formation of Kyrgyzstan. It was first named by paleontologists Rainer R. Schoch, Sebastian Voigt and Michael Buchwitz in 2010 from a nearly complete skull and associated osteoderms. The type species is ''M. pustulatus''.〔
==Description==
''Madygenerpeton'', like other chroniosuchids, has osteoderms, or bony plates, overlying its spine. These osteoderms interlock with each other and connect to their associated vertebrae on the spinal column.〔 They are wide and have curved or peaked surfaces. On the upper surface of the front end and the lower surface of the back end of each osteoderm there are facets covered in concentric ridges and furrows. These facets allow the plates to interlock with each other. The relatively narrow width of the osteoderms in ''Madygenerpeton'' allow for more lateral flexion in the trunk of than other chroniosuchids, up to 7.5°.
The skull has a parabolic outline and its surface is covered with pustular ornamentation. This distinctive ornamentation gives the type species its name, ''M. pustulatus''. Unlike other chroniosuchids, ''Madygenerpeton'' lacks an antorbital fontanelle in front of the eyes.The postparietal or posterior area of the skull is concave.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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