Reuter M, Lehtonen M, Wikgren M 1988 (citation)-"Immunocytochemical evidence of neuroactive substances in
flatworms of different taxa - a comparison". Species included in the study:
Archiloa unipunctata
Gyratrix hermaphroditis
Microdalyellia fusca
Polycelis nigra
Promesostoma marmoratum
Typhloplana viridata
Nardin D 2002 (citation)- "The microscopic hosts of freshwater planaria: Trichodina cf. pediculus, Urceolaria mitra."
Notes from synonyms