^Breure A. S. H. (1979). "Systematics, phylogeny and zoogeography of Bulimulinae (Mollusca)". Zoologische Verhandelingen Leiden 168: 1-215, figs 1-182, pls. 1-3, tables 1-5.
PDF.
^
abcdefBreure A. S. H. & Mogollón Avila V. (2010). "Well-known and little-known: miscellaneous notes on Peruvian Orthalicidae (Gastropoda, Stylommatophora)". Zoologische Mededelingen84.
HTM.
^Breure A. S. H. (1979). "Systematics, phylogeny and zoogeography of Bulimulinae (Mollusca)". Zoologische Verhandelingen Leiden 168: 1-215, figs 1-182, pls. 1-3, tables 1-5.
PDF.
^
abcdefBreure A. S. H. & Mogollón Avila V. (2010). "Well-known and little-known: miscellaneous notes on Peruvian Orthalicidae (Gastropoda, Stylommatophora)". Zoologische Mededelingen84.
HTM.