Yamamoto, K, G  Sasaki, and M  Kawakatsu. 2003. ?Chromosomes Of A Macrostomid Species From Central Japan: Macrostomum Gigas Okugawa, 1930?.

Beklemischev, V N. 1951. ?Species Of The Genus Macrostomum (Turbellaria, Rhabdocoela) Of The Ussr. [English Translation]?.