Segmented worms that belong to the phylum Annelida and comprise the subclass Hirudinea.
| LEECH | instanceof | WATER LEECH | 
| LEECH | linked | SPLEEN | 
| LEECH | linked | SNAIL | 
| LEECH | linked | TADPOLE | 
| LEECH | linked | SPLEEN | 
| WATER LEECH | isa | LEECH | 
| SPLEEN | linked | LEECH | 
| SPLEEN | linked | LEECH | 
| TADPOLE | linked | LEECH | 
| Id | Concept in source | Conceptlist | 
|---|---|---|