Gomez-Berning, M., F. Köhler, and M. Glaubrecht. “CATALOGUE OF THE NOMINAL TAXA OF MESOAMERICAN PACHYCHILIDAE (MOLLUSCA: CAENOGASTROPODA)”. Zootaxa, vol. 3381, no. 1, July 2012, pp. 1–44, doi:10.11646/zootaxa.3381.1.1.