Basionym Name:Hyperamoeba flagellata Alexeev, Ark. Russk. Protistol. Obsch. 2: 280-288 (1923)
Homotypic synonyms:Physarum flagellatum (Alexeev) Fiore-Donno, Kamono & Caval.-Sm., in Fiore-Donno, Kamono, Chao, Fukui & Cavalier-Smith, J. Eukary. Microbiol. 57(2): 193 (2010)