[1] This snail has a small, flattened shell no more than 3 millimeters wide.

[2] This snail has been recorded in a single location, Cataract Gorge in northern Tasmania.

There are three subpopulations which are divided by a river and a patch of exotic vegetation.

The snail lives in a wet forest and cliff-face habitat.

[1] The entire population size is probably at least several thousand individuals, sometimes appearing in large numbers in one small portion of the habitat.