Citations containing new species:

• Nowell-Usticke, G. W., 1959. Check List Mar. Shells St. Croix.
• Nowell-Usticke, G. W., 1968. Carib. Cones St. Croix & Less. Ant.
• Nowell-Usticke, G. W., 1968. Carib. Cones St. Croix & Less. Antilles
• Nowell-Usticke, G. W., 1971. Supp. List. New Mar. Shells St. Croix