Sinornis
Extinct genus of birds / From Wikipedia, the free encyclopedia
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Sinornis is a genus of enantiornithean birds from the Lower Cretaceous Jiufotang Formation of the People's Republic of China.
Sinornis | |
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Fossil specimen, Beijing Museum of Natural History | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | Theropoda |
Clade: | Avialae |
Clade: | †Enantiornithes |
Genus: | †Sinornis Sereno & Rao, 1992 |
Species: | †S. santensis |
Binomial name | |
†Sinornis santensis Sereno & Rao, 1992 | |
When it was described in 1992, this 120 million-year-old sparrow-sized skeleton represented a new avian sharing "primitive" features with Archaeopteryx as well as showing traits of modern birds. Its basal features include, but are not limited to, a flexible manus with unguals, a footed pubis, and stomach ribs. Sinornis is known only from the type species, Sinornis santensis. The generic name comes from the Latin Sino~, 'China' and the Greek ornis, 'bird'. The specific name santensis refers to the provenance from Chaoyang county in Liaoning Province as Santa, meaning "Three Temples", is a traditional name of the county.[1]