Baker, H. B. (1963). Type land snails in the Academy of Natural Sciences of Philadelphia. Part II. Land Pulmonata, exclusive of North America north of Mexico. Proceedings of the Academy of Natural Sciences of Philadelphia. 115 (8): 191-259. Philadelphia [22 November].
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Baker, H. B.
1963
Type land snails in the Academy of Natural Sciences of Philadelphia. Part II. Land Pulmonata, exclusive of North America north of Mexico
Proceedings of the Academy of Natural Sciences of Philadelphia