''Sinosturio'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

sturgeon Sturgeon (from Old English ultimately from Proto-Indo-European language, Proto-Indo-European *''str̥(Hx)yón''-) is the common name for the 27 species of fish belonging to the family Acipenseridae. The earliest sturgeon fossils date to the ...

native to the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five Borders of the oceans, oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is ...

and associated river drainages in eastern Asia and western North America. Considered synonymous with ''

Acipenser ''Acipenser'' is a genus of sturgeons, containing three species native to freshwater and estuarine systems of eastern North America and Europe. It is the type genus of the family Acipenseridae and the order Acipenseriformes. Taxonomy Prior t ...

'' for nearly a century, it was revived as a distinct genus in 2025 to resolve the

polyphyly A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as homoplasies, which ar ...

of the former genus. Most species in this genus were previously placed in ''Acipenser'', aside from the

kaluga Kaluga (, ) is a types of inhabited localities in Russia, city and the administrative center of Kaluga Oblast, Russia. It stands on the Oka River southwest of Moscow. Its population was 337,058 at the 2021 census. Kaluga's most famous residen ...

which was previously placed in ''

Huso ''Huso'' is a genus of sturgeons from eastern Europe, Asia, and eastern North America. The genus name is derived from ''wikt:huso, hūso'', the Old High German and Medieval Latin word for "sturgeon", which is also ancestral to ''wikt:Hausen, Haus ...

''. The following species are placed in this genus: * ''Sinosturio'' ''dabryanus'' ( A. H. A. Duméril, 1869) ( Yangtze sturgeon) * '' Sinosturio dauricus'' ( Georgi, 1775) (

) * '' Sinosturio medirostris'' ( Ayres, 1854) ( green sturgeon) * '' Sinosturio mikadoi'' ( Hilgendorf, 1892) ( Sakhalin sturgeon) * '' Sinosturio schrenckii'' ( J. F. Brandt, 1869) ( Amur sturgeon) * '' Sinosturio sinensis'' ( J. E. Gray, 1835) ( Chinese sturgeon) * '' Sinosturio transmontanus'' ( J. Richardson, 1836) ( white sturgeon)

References

{{Taxonbar, from=Q134561864 Sturgeons Ray-finned fish genera Freshwater fish genera Taxa named by Otto Jaekel