Citations containing new species:

• Rehder, H. A., and Abbott, R. T., 1951. J. Wash. Acad. Sci., 41 (1 ).
• Rehder, H. A., and Abbott, R. T., 1951. Rev. Soc. Malacol., 8 (2 ).
• Abbott, R. T., 1971. Nautilus., 85 (2 ).