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Halazhaisuchus
''Halazhaisuchus'' is an extinct genus of archosauriform from the Early Triassic of China. It is known from a single species, ''Halazhaisuchus qiaoensis'', which was named in 1982 from the lower Ermaying Formation in Shaanxi. It was assigned to the family Euparkeriidae as a close relative of the genus ''Euparkeria'' from South Africa. ''Halazhaisuchus'' is known from a single holotype specimen called V6027, which was discovered in 1977 and includes a portion of the vertebral column, some ribs, two scapulae and two humeri, the right radius and ulna, and a left coracoid. Two rows of plate-like bones called osteoderms run along the length of the vertebrae. When it was first described in 1982, ''Halazhaisuchus'' was considered a close relative of ''Euparkeria'' because it has primitive features like small intercentra bones between the vertebrae and a large coracoid, not seen in later archosaurs. However, these features are common to many early archosauriforms and are not unique to Euparkeriidae.
The fauna of the lower Ermaying Formation closely resemble those of the ''Cynognathus'' Assemblage Zone in South Africa. ''Halazhaisuchus'' is similar to ''Euparkeria'', while the Chinese ''Parakannemeyeria'' and ''Guchengosuchus'' resemble the South African ''Kannemeyeria'' and ''Erythrosuchus'', respectively.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Halazhaisuchus」の詳細全文を読む
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