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Pilsbry, H. A. & Olsson, A. A. (1952). Vitrinellidae of the Panamic Province: II. Proceedings of the Academy of Natural Sciences of Philadelphia. 104: 35-88, pl. 2-13.
Pilsbry, H. A. & Olsson, A. A. (1952). Vitrinellidae of the Panamic Province: II. Proceedings of the Academy of Natural Sciences of Philadelphia. 104: 35-88, pl. 2-13.
