Vertigo angustior, the narrow-mouthed whorl snail, is a species of small land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.

The aperture edge is bent (indented) and slightly thickened and the aperture is slightly notched, the notch continuing outside as a spiral groove.

The aperture bears 5-6 mainly short denticles: 2 parietal; 2 columellar; 1 palatal, the latter relatively long.

The shell is brown to yellowish brown or horn coloured and has a fine growth striation.

The species occurs in many countries in Europe and in Asia:[1] Western Europe: Central Europe: Northern Europe: Denmark, Finland, Norway, Sweden Eastern Europe: Belarus, Estonia, Latvia, Lithuania, Russian Federation, Ukraine Southern Europe: Italy, Romania Asia: Armenia, Azerbaijan, Georgia.