What is "spelaeodiscidae"

Spelaeodiscidae is a family of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Pupilloidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

The family Spelaeodiscidae has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).