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Sinornis santensis is an extinct genus of Enantiornithine from early Cretaceous China. It was about 5.5 in (14 cm) and was about pigeon-sized. The first Enantiornithine known from a nearly complete skeleton. Specimens once called "Cathayornis" have turned out to be fossils of Sinornis.

Sinornis

Description[]

The holotype skeleton of Sinornis, BPV 538a-b, consists of a plate and counterplate of fine-grained freshwater lake sediment as proven by numerous fish, insect, and plant remains.

Discovery[]

Discovered by a Chinese farmer prior to 1992, the fossil of Sinornis sheds light on the evolutionary steps that transitioned birds into strong, specialized flyers.

Classification[]

Paleobiology[]

Gallery[]

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