urumchia造句

• ""'Urumchia " "'is an extinct genus of therocephalian therapsid from the Early Triassic of China.
• In " Urumchia " the front end of the vomers narrow to a point, while in " Regisaurus " they do not . " Urumchia " has six incisors on either side of the upper jaw, a primitive condition among baurioid therocephalians that usually have fewer incisors.
• In " Urumchia " the front end of the vomers narrow to a point, while in " Regisaurus " they do not . " Urumchia " has six incisors on either side of the upper jaw, a primitive condition among baurioid therocephalians that usually have fewer incisors.
• The holotype skull has been lost, but Young was able to describe the species on the basis of a detailed cast of the skull . " Urumchia " is similar to the South African therocephalian " Regisaurus " in having an expanded pair of vomer bones on the underside of the skull that form a secondary palate.