Venmans, L. A. W. C. (1963). Caribbean land molluscs: Streptaxidae. Studies on the Fauna of Curaçao and other Caribbean Islands: no. 61. 41-76, pls. 2-5.
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Venmans, L. A. W. C.
1963
Caribbean land molluscs: Streptaxidae
Studies on the Fauna of Curaçao and other Caribbean Islands: no. 61