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cursorial adj.【動物;動物學】走禽類的;疾走的。 cursor...

cursory

Recently , a series of the feathered dinosaurs have been found from the jehol biota of western liaoning , northeast china , which give extremely strong evidences of the theropod hypothesis of bird origin and of the cursorial hypothesis of the avian flight origin . but the origin and early evolution of feathers have still been unanswered . in late 2000 , a well - preserved specimen of dromaeosaurids was excavated from the early cretaceous jiufotang formation of shangheshou , suburb of chaoyang city , western liaoning 2000年,遼西朝陽市上河首早白堊世九佛堂組地層中,發現了一件保存完好的長有羽毛的奔龍類化石,這是繼北票四合屯、朝陽下三家子、凌源大王杖子之后長羽毛奔龍化石在遼西的又一次發現,為解決奔龍類的系統關系、羽毛的起源及早期演化提供了重要的實物資料。