Tinamiphilopsis elegans gen. et sp. nov. (Acari, Syringophilidae) is described from the quills of the elegant crested-tinamou Eudromia elegans (Tinamiformes, Tinamidae) from Argentina. This new genus differs from the closely related genus Mironovia Chirov et Kravtsova, 1995 by the following characters: three pairs of paragenital setae are present, propodosomal setae are arranged 3-1-1-1 and bases of setae sce are situated anterior to the level of seta d1 bases. T. elegans gen. et sp. nov. is the first record of syringophilid mites from paleognathous birds.