''Sarkidiornis'' is a genus within the family ''Anatidae''. ''Sarkidiornis'' is sometimes considered a monotypic genus with its sole member the knob-billed duck (''S. melanotos''), a cosmopolitan species. Most taxonomic authorities, however, split the species into two:

References

* https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=175243#null ITIS reference {{Taxonbar, from=Q2712557 Taxa named by Thomas Campbell Eyton