Hyalinia pygmaea O. Boettger, 1880 Vitrea pygmaea is a species of gastropods belonging to the family Pristilomatidae.

It is colourless, sometimes slightly pale greenish yellow.

The umbilicus is very wide and perspectivical, all whorls well visible inside.

The species inhabits Turkmenistan, Northern Iran, Iraq-Kurdistan, Caucasus region, Crimea, Turkey, Bulgaria, Croatia, Albania, Greece, possibly also Italy.

This species can be found in deciduous oak/hornbeam and pinetree forests with pH 4.5.