Order: Rhynchobdellida - Jawless leeches print
- Cellular forms
- Domain: Eukaryota
- Kingdom: Animalia
- Subkingdom: Metazoa
- Phyllum: Annelida
- Class: Hirudinea
- Order: Rhynchobdellida
- Family: Glossiphoniidae - Freshwater jawless leeches or glossiphoniids
- Family: Ozobranchidae
- Family: Piscicolidae
- Family: Ichthyobdellidae