Sinanas fossil map
Where fossils of Sinanas have been found, shown on the Earth as it looked about 15 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 15 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Prehistoric birds |
|---|---|
| Lived | 20.45–15.98 million years ago (Burdigalian) |
| Periods | Neogene |
| Family | Anatidae |
| Named by | Yeh 1980 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | China |
| Rock formations | Shanwang |
About Sinanas
Sinanas is a genus of prehistoric duck that lived during the middle Miocene. The single known species is Sinanas diatomas. Fossils of the species have been recovered from the Shandong Province of China. Taxonomists are uncertain as to its affinities to modern waterfowl.
Text in “About” is quoted from the Wikipedia article Sinanas (revision 1374559853), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q25096433.
