ressmanni Westerlund, 1883 (basionym) Aegopinella ressmanni is a small species of land snail in the terrestrial pulmonate gastropod mollusk family Gastrodontidae, the glass snails.

[1] It is characterized by having a larger shell than other Aegopinella species: its diameter attains 15 mm (0.6 in), its height 8 mm (0.3 in).

[2] (Original description in Latin) The shell is more convex, with the body whorl swelling towards the front near the large aperture.

The columellar margin is sufficiently arched.

[3] The species is distributed in Austria, Czechia, Croatia, Germany, Hungary, Italy, and Slovenia.