Literature
- Abbott, R. T. 1974. (2 ed.). American seashells. New York, Cincinnati, Toronto, London, Melbourne (van Nostrand Reinhold Co.): 1-663, 6405 figs.
- Lalli, C. M. and Gilmer, R. W. 1989. Pelagic snails. The biology of holoplanktonic gastropod mollusks. Stanford, California (Stanford University Press): viii +259 pp., 25 tabs, 76 figs, 16 color figs.
- Pilsbry, H. A. and Lowe, H. N. 1933. West Mexican and Central American mollusks collected by H. N. Lowe, 1929-1931. Proc. Acad. Nat. Sci. Phil. 84: 33-536, 17 pls.