| Citation | Den Hartog, C., 1959 Distribution and ecology of the slugs Alderia modesta and Limapontia depressa in the Netherlands. Beaufortia Series of Miscellaneous Publications Zoological Museum Amsterdam 81(7):15-36. |
| Ref. | 125190 Den Hartog, C., 1959 |
| Page | 29 |
| Named Used as Valid | Alderia modesta |
| Locality | |
| Distribution | Netherlands. |