Artois, T. J.; Schockaert, E. R. (1999). Two new species of the genus Duplacrorhynchus Schockaert & Karling, 1970, with remarks on relationships within the genus and on the Duplacrorhynchinae (Platyhelminthes, Polycystididae).
Belgian Jourrnal of Zoology. 129: 235-244.