Lamellirostres

plural noun

La·​mel·​li·​ros·​tres

in some classifications

: a group of birds including the ducks, geese, swans, mergansers, and usually the flamingos and having transverse ridges like teeth just inside the edges of the bill compare anseres

Word History

Etymology

New Latin, from lamell- + -rostres (from Latin rostrum beak)

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