Pilsbry H. A. (1897-1898) Manual of Conchology, structural and systematic, with illustrations of the species. Second series: Pulmonata. Volume 11. American Bulimulidae: Bulimulus, Neopetraeus, Oxychona, and South American Drymaeus. Continued by H. A. Pilsbry. page 82-83, plate 14, figure 11-13.
Breure A. S. H. & Ablett J. D. (2012) "Annotated type catalogue of the Bothriembryontidae and Odontostomidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London". ZooKeys182: 1-70. doi:10.3897/zookeys.182.2720.
naturalis.nl
repository.naturalis.nl
Breure, A. S. H . & J. R. Schouten (27 February 1985). "Notes on and descriptions of Bulimulidae (Mollusca, Gastropoda), III." Zoologische Verhandelingen Leiden 216: 1-98, figs. 1-33, pls. 1-4. ISSN0024-1652. PDF
worldcat.org
Breure, A. S. H . & J. R. Schouten (27 February 1985). "Notes on and descriptions of Bulimulidae (Mollusca, Gastropoda), III." Zoologische Verhandelingen Leiden 216: 1-98, figs. 1-33, pls. 1-4. ISSN0024-1652. PDF