Halazhaisuchus

Extinct genus of reptiles

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.

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