The name refers to the size of the species, which is gigantic for a proseriate.
Schockaert, E. R.; Curini-Galletti, M.; De Ridder, W.; Artois, T. (2011). On the Calviriidae Martens and Curini-Galletti, 1993 (Platyhelminthes, Proseriata), with the description of three new species. Zootaxa. 3034: 32-46. available online athttp://www.mapress.com/zootaxa/2011/f/z03034p046f.pdf Available for editors