This tag is possibly ambiguous.
- For a type of flatworm called Planaria torva, use Planarian for the time being.
- For the artist formerly tagged here, see Planaria (Boboiboi) or Planaria (Niconico2587043).
- For some other artists named planaria: planaria_* | *_planaria
- For some characters named planaria: planaria_* | *_planaria
- For some copyrights named planaria: planaria_* | *_planaria