^Barker G. M.: Gastropods on Land: Phylogeny, Diversity and Adaptive Morphology. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001,
ISBN0-85199-318-4. 1-146, cited pages: 139 and 142.
^
abBaker, Horace B. 1930: The mollusca collected by the University of Michigan – Williamson expedition in Venezuela. Occasional Paper of Museum of zoology. 210:1-51
^Pilsbry H. A. (1906). In: Tryon G. W. & Pilsbry H. A. (1906) Manual of Conchology (2)18: 14.
^Salvador R. B., Cunha C. M. & Simone L. R. L. (2013). "Taxonomic revision of the orthalicid land snails (Pulmonata: Stylommatophora) from Trindade Island, Brazil". Journal of Natural History47(13-14): 949-961.
doi:
10.1080/00222933.2012.759290.
^Barker G. M.: Gastropods on Land: Phylogeny, Diversity and Adaptive Morphology. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001,
ISBN0-85199-318-4. 1-146, cited pages: 139 and 142.
^
abBaker, Horace B. 1930: The mollusca collected by the University of Michigan – Williamson expedition in Venezuela. Occasional Paper of Museum of zoology. 210:1-51
^Pilsbry H. A. (1906). In: Tryon G. W. & Pilsbry H. A. (1906) Manual of Conchology (2)18: 14.
^Salvador R. B., Cunha C. M. & Simone L. R. L. (2013). "Taxonomic revision of the orthalicid land snails (Pulmonata: Stylommatophora) from Trindade Island, Brazil". Journal of Natural History47(13-14): 949-961.
doi:
10.1080/00222933.2012.759290.