Beu, A. G.; Maxwell, P. A. (1987). A revision of the fossil and living gastropods related to
Plesiotriton Fischer, 1884 (Family Cancellariidae, Subfamily Plesiotritoninae n. subfam.). With an appendix: Genera of Buccinidae Pisaniinae related to
Colubraria Schumacher, 1817.
New Zealand Geological Survey Paleontological Bulletin. 54: 1-140.