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Pilsbry, H. A. & Olsson, A. A. (1945). Vitrinellidae and similar gastropods of the Panamic Province. Part I. Proceedings of the Academy of Natural Sciences of Philadelphia. 97: 249-278, pl. 22-30.
Pilsbry, H. A. & Olsson, A. A. (1945). Vitrinellidae and similar gastropods of the Panamic Province. Part I. Proceedings of the Academy of Natural Sciences of Philadelphia. 97: 249-278, pl. 22-30.
