Sinanas is a genus of prehistoric duck that lived during the middle Miocene.[1] The single known species is Sinanas diatomas. Fossils of the species have been recovered from the Shandong ProvinceofChina.[2] Taxonomists are uncertain as to its affinities to modern waterfowl.[2][3]
| Sinanas Temporal range: Miocene | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Anseriformes |
| Family: | Anatidae |
| Genus: | †Sinanas |
| Species: |
†S. diatomas
|
| Binomial name | |
| †Sinanas diatomas Yeh, 1980 | |
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