''Huso'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of large

sturgeon Sturgeon is the common name for the 27 species of fish belonging to the family Acipenseridae. The earliest sturgeon fossils date to the Late Cretaceous, and are descended from other, earlier acipenseriform fish, which date back to the Early ...

s from

Eurasia Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelag ...

. It contains two species, both of which are critically endangered: *'' Huso dauricus'' ( Georgi, 1775) (kaluga) *'' Huso huso'' ( Linnaeus, 1758) (beluga) Recent data indicate a polyphyletic origin of the genus ''Huso'', and it is suggested that the two ''Huso'' species should be included in the genus '' Acipenser''.

References

Sturgeons Extant Zanclean first appearances Ray-finned fish genera {{Acipenseriformes-stub