Milacidae is a family of air-breathing, keeled, land slugs. These are shell-less terrestrial gastropod mollusks in the superfamily Parmacelloidea.
This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The distribution of the Milacidae includes the western Palearctic region.
In the Milacidae family, the number of haploid chromosomes ranges from 31 to 35 (according to the values in this table).
Genera within the family Milacidae include:
The following cladogram shows the phylogenic relationships of this family to the other families in the limacoid clade: