Polycelis tenuis
- kingdom: Animalia
- phylum: Platyhelminthes
- class: Rhabditophora
- order: Tricladida
- family: Planariidae
- genus: Polycelis
- species: Polycelis tenuis
Fredensborg
Capital Region
Denmark
Gerolfingen- Wittelshofen
Bavaria- Bruchköbel
Hesse- Lippstadt
North Rhine-Westphalia
Germany