Describer

Hou, 1994

Time

?Jurassic Late Cretaceous Early

Classification

Saurischia Theropoda Tetanurae Coelurosauria Maniraptora Avialae Ornithothoraces Enantiornithes

Fossilsite

Ordos Basin, Zidan Group, Yijinholuo Formation, Chabu Sumu, Otog Qi, Yikezhao-meng, (Nei Mongol Zizhigu), China

Info

Shoulder girdle, forelimb elements Holotype: IVPP V 9697 in addition with some flight feathers.

Ambiortus and Otogornis share a number of derived characters including: a thickened, three-edged acrocoracoid with an acute top; flat, wide humeral articular facet of the scapula; ventral position of a small, short, and oval articular head of the humerus; and a thin and long intermediate phlanx of the major wing digit. (Kurochkin, 2000)