Schockaert, E. R., M. Curini-Galletti, W. de Ridder, and T. Artois. “On the Calviriidae Martens and Curini-Galletti, 1993 (Platyhelminthes, Proseriata), With the Description of Three New Species”. Zootaxa, vol. 3034, no. 1, Sept. 2011, pp. 32–46, doi:10.11646/zootaxa.3034.1.2.