| Taxonomy |
|---|
| Original description: |
Rafinesque-Schmaltz, 1815 |
|
| Short description |
|---|
| Male pores usually in the segment 15 and female pores in 14. Dorsal pores almost always present. Holonephridia. 2 to 4 pairs of seminal vesicles. Prostates absent. |
| Distribution |
|---|
| Family originating from Europe but now widely distributed in all temperate areas of the world after introduction. Family invasive in numerous regions, such as North America, Australia and New Zealand. |
Data are not exhaustive. The database is permanently a work in progress.