synthliborhamphus

from The Century Dictionary.

• noun A genus of Alcidæ of the North Pacific, having a stout, much-compressed bill, whose depth at the base is about half its length, subnasal nostrils reached by the frontal antiæ, much-compressed tarsi, scutellate in front and on the sides and reticulate behind, and short, nearly square tail; the nipper-nosed murrelets.